Japan at the 2018 Summer Youth Olympics

Japan participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.

Japan at the 2018 Summer Youth Olympics
IOC code	JPN
NOC	Japanese Olympic Committee
Website	http://www.joc.or.jp/
in Buenos Aires, Argentina 6 – 18 October 2018
Competitors	96 in 23 sports
Medals Ranked 3rd	Gold 15 Silver 12 Bronze 12 Total 39
Summer Youth Olympics appearances
2010 2014 2018

Medalists

Medal Name Sport Event Date  Gold Yuka Ueno Fencing Girls' foil 7 Oct  Gold Ramu Kawai Dancesport B-Girls' 8 Oct  Gold Keita Dohi Sport climbing Boys' combined 10 Oct  Gold Yu Hanaguruma Swimming Boys' 200 m breaststroke 10 Oct  Gold Takeru Kitazono Gymnastics Boys' individual all-around 11 Oct  Gold Wataru Sasaki Wrestling Boys' Greco-Roman 51 kg 12 Oct  Gold Shiori Asaba Swimming Girls' 200 m breaststroke 12 Oct  Gold Takeru Kitazono Gymnastics Boys' floor 13 Oct  Gold Nonoka Ozaki Wrestling Girls' freestyle 57 kg 13 Oct  Gold Yuki Naito Naoki Tajima Tennis Mixed doubles 14 Oct  Gold Takeru Kitazono Gymnastics Boys' rings 14 Oct  Gold Takeru Kitazono Gymnastics Boys' parallel bars 15 Oct  Gold Takeru Kitazono Gymnastics Boys' horizontal bar 15 Oct  Gold Haruto Deguchi Athletics Boys' 400 m hurdles 16 Ovt  Gold Kokoro Sakaji Karate Girls' 59 kg 17 Oct  Silver Shuta Tanaka Sport climbing Boys' combined 10 Oct  Silver Miu Hirano Table tennis Girls' singles 10 Oct  Silver Tomokazu Harimoto Table tennis Boys' singles 10 Oct  Silver Keisuke Yoshida Swimming Boys' 800 m freestyle 11 Oct  Silver Mayuka Yamamoto Swimming Girls' 50 m freestyle 12 Oct  Silver Yuki Naito Naho Sato Tennis Girls' doubles 13 Oct  Silver Miu Hirano Tomokazu Harimoto Table tennis Mixed team 15 Oct  Silver Kazuki Furusawa Athletics Boys' pole vault 16 Oct  Silver Masaki Yamaoka Karate Boys' 61 kg 17 Oct  Silver Rinka Tahata Karate Girls' 53 kg 17 Oct  Silver Mai Miyamoto Sara Oino Yuria Sutoh Rinka Yokoyama Ichika Arai Aki Ikeuci Miu Maeda Mitsuki Kobayashi Rikako Yamakawa Mirano Abe Futsal Girls' tournament 17 Oct  Silver Sakura Sawashima Karate Girls' 59 kg 18 Oct  Bronze Keisuke Yoshida Swimming Boys' 400 m freestyle 7 Oct  Bronze Shigeyuki Nakarai Dancesport B-Boys' 8 Oct  Bronze Taku Taniguchi Swimming Boys' 100 m breaststroke 8 Oct  Bronze Kanami Tanno Yuma Oshimo Cycling Mixed BMX freestyle park 11 Oct  Bronze Miku Kojima Mayuka Yamamoto Nagisa Ikemoto Shiori Asaba Swimming Girls' 4 × 100 m medley relay 11 Oct  Bronze Kodai Naraoka Badminton Boys' singles 12 Oct  Bronze Shu Yamada Wrestling Boys' Greco-Roman 71 kg 12 Oct  Bronze Miku Kojima Taku TaniguchI Shinnosuke Ishikawa Nagisa Ikemoto Swimming Mixed 4 × 100 m medley relay 12 Oct  Bronze Yuka Kagami Wrestling Girls' freestyle 73 kg 13 Oct  Bronze Koki Wada Athletics Boys' long jump 15 Oct  Bronze Seiryo Ikeda Athletics Boys' 100 m 15 Oct  Bronze Ryo Eto Joh Ohba Ryosuke Kan Kaito Nakanishi Kentaro Fujii Junya Matsumoto Kippei Ishida Haruhiko Uemura Taisei Konishi Taira Main Kanji Futamura Hibiki Yamada Rugby sevens Boys' tournament 15 Oct

Medals by sport Sport Total Gymnastics 5 0 0 5 Swimming 2 2 4 8 Wrestling 2 0 2 4 Karate 1 3 0 4 Athletics 1 1 2 4 Sport climbing 1 1 0 2 Tennis 1 1 0 2 Dancesport 1 0 1 2 Fencing 1 0 0 1 Table tennis 0 3 0 3 Futsal 0 1 0 1 Badminton 0 0 1 1 Cycling 0 0 1 1 Rugby sevens 0 0 1 1 Total 15 12 12 39

Competitors

Sport	Boy	Girl	Total
Archery	1	1	2
Athletics	8	6	14
Badminton	1	1	2
Cycling	2	2	4
Dancesport	1	1	2
Fencing	2	1	3
Futsal	–	10	10
Golf	1	1	2
Gymnastics	2	3	5
Karate	3	3	6
Modern pentathlon	0	1	1
Rowing	1	0	1
Rugby sevens	12	–	12
Sailing	1	0	1
Shooting	0	1	1
Sport climbing	2	1	3
Swimming	4	4	8
Table tennis	1	1	2
Taekwondo	1	0	1
Tennis	1	2	3
Triathlon	1	1	2
Weightlifting	0	1	1
Wrestling	3	2	5
Total	48	43	91

Archery

Japan qualified two archers based on its performance at the 2017 World Archery Youth Championships.[1][2]

Individual

Athlete	Event	Ranking round		Round of 32	Round of 16	Quarterfinals	Semifinals	Final / BM	Rank
		Score	Seed	Opposition Score	Opposition Score	Opposition Score	Opposition Score	Opposition Score
Tetsuya Aoshima	Boys' Individual	654	22	Tolba (EGY) L 5–6	Did not advance				17
Ruka Uehara	Girls' Individual	667	2	Jones (NZL) L 5–6	Did not advance				17

Team

Athletes	Event	Ranking round		Round of 32	Round of 16	Quarterfinals	Semifinals	Final / BM	Rank
		Score	Seed	Opposition Score	Opposition Score	Opposition Score	Opposition Score	Opposition Score
Tetsuya Aoshima (JPN)  Èlia Canales (ESP)	Mixed team	1299	19	Naumova (UKR)  Eyeni (CIV) L 4–5	Did not advance				17
Ruka Uehara (JPN)  Louis Gino Aurelien Juhel (MRI)		1273	30	Kharitonova (RUS)  Rezowan (BAN) L 4–5	Did not advance				17

Athletics

[3]

Boys

Track & road events

Athlete	Event	Stage 1		Stage 2		Total
		Time	Rank	Time	Rank	Time	Rank
Seiryo Ikeda	100 m	10.82	3	10.30	3	21.12
Kosuke Ishida	1500 m	3:57.25	11	11:52^[a]	5	16	7
Rintaro Kajiyama	3000 m	8:22.15	5	12:10^[a]	8	13	6
Haruto Deguchi	400 m hurdles	51.40	1	51.28	1	1:42.68
Yusuke Iwakawa	5000 m walk	21:49.40	10	23:20.84	12	45:10.24	12

Field Events

Athlete	Event	Stage 1		Stage 2		Total
		Time	Rank	Time	Rank	Time	Rank
Kazuki Furusawa	Pole vault	5.10	3	5.22	2	10.32
Koki Wada	Long jump	7.46	4	7.66	3	15.12
Kentaro Nakamura	Javelin throw	66.31	13	64.55	12	130.86	12

Girls

Track & road events

Athlete	Event	Stage 1		Stage 2		Total
		Time	Rank	Time	Rank	Time	Rank
Takako Niisaka	100 m	12.22	7	11.65	8	23.87	8
Maki Ueda	800 m	2:09.91	8	2:10.06	5	4:19.97	7
Yuki Kanemitsu	1500 m	4:24.41	4	13:13^[a]	3	7	4
Miyaka Sugata	3000 m	9:21.16	5	13:59^[a]	11	16	9

Field Events

Athlete	Event	Stage 1		Stage 2		Total
		Time	Rank	Time	Rank	Time	Rank
Azuki Nakatsugawa	Long jump	5.86	6	6.14	5	12.00	5
Yuika Nakamura	Javelin throw	43.62	14	DNS	-	-	-

^a Cross Country

Badminton

Japan qualified two players based on the Badminton Junior World Rankings.[4][5]

Singles

Athlete	Event	Group Stage				Quarterfinal	Semifinal	Final / BM
		Opposition Score	Opposition Score	Opposition Score	Rank	Opposition Score	Opposition Score	Opposition Score	Rank
Kodai Naraoka	Boys' singles	Chang Ho Kim (FIJ) W (21–7, 21–5)	Cristian Savin (MDA) W (21–8, 21–13)	Dmitriy Panarin (KAZ) W (21–9, 21–12)	1 Q	Chen Shiau-cheng (TPE) W (21–11, 21–11)	Lakshya Sen (IND) L (21–14, 15–21, 22–24)	Arnaud Merkle (FRA) W (21–17, 24–26, 22–20)
Hirari Mizui	Girls' singles	Léonice Huet (FRA) W (21–14, 21–16)	Halla Bouksani (ALG) W (21–1, 21–9)	Wang Zhiyi (CHN) L (10–21, 21–17, 16–21)	2	Did not advance			9

Team

Athlete	Event	Group stage				Quarterfinal	Semifinal	Final / BM	Rank
		Opposition Score	Opposition Score	Opposition Score	Rank	Opposition Score	Opposition Score	Opposition Score
Team Theta  Kodai Naraoka (JPN)  Hirari Mizui (JPN)  Julien Carraggi (BEL)  Mohamed Mostafa Kamel (EGY)  Lukas Resch (GER)  Zecily Fung (AUS)  Jaqueline Lima  (BRA)  Tereza Švábíková (CZE)	Mixed Teams	Sigma (MIX) L (100–110)	Omega (MIX) L (100–110)	Gamma (MIX) L (107–110)	4Q	Delta (MIX) W (110–93)	Alpha (MIX) L (90–110)	Zeta (MIX) W (110–107)

Cycling

Japan qualified a boys' and girls' combined team based on its ranking in the Youth Olympic Games Junior Nation Rankings. They also qualified a mixed BMX racing team based on its ranking in the Youth Olympic Games BMX Junior Nation Rankings and two athletes in BMX freestyle based on its performance at the 2018 Urban Cycling World Championship.[6]

• Boys' combined team – 1 team of 2 athletes
• Girls' combined team – 1 team of 2 athletes
• Mixed BMX racing team – 1 team of 2 athletes
• Mixed BMX freestyle – 1 boy and 1 girl

Dancesport

Japan qualified two dancers based on its performance at the 2018 World Youth Breaking Championship.[7][8]

• B-Boys – Shigekix
• B-Girls – Ram

Fencing

Japan qualified three athletes based on its performance at the 2018 Cadet World Championship.[9]

Athlete	Event	Group Stage							Round of 16	Quarterfinals	Semifinals	Final / BM / FM
		Opposition Score	Opposition Score	Opposition Score	Opposition Score	Opposition Score	Opposition Score	Rank	Opposition Score	Opposition Score	Opposition Score	Opposition Score	Rank
Seiya Asami	Boys' épée	Ignacio Pérez Contreras (ARG) W (5–1)	Khasan Baudunov (KGZ) L (3–4)	Paul Veltrup (GER) L (2–5)	Seraphim Hsieh Jarov (CAN) W (5–3)	Artur Tolasov (RUS) W (5–1)	N/A	2	N/A	Khasan Baudunov (KGZ) L (1–5)	Did not advance		6
Hibiki Kato	Boys' sabre	Samuel Jarry (FRA) L (1–5)	Andrei Păștin (ROU) W (5–1)	Matias Ríos (ARG) W (5–1)	Hudson Santana (PUR) L (4–5)	Alonso Santamaría (ESP) L (3–5)	N/A	4	Amirhossein Shaker (IRI) W (15–9)	Hyun Jun (KOR) L (12–15)	Did not advance		8
Yuka Ueno	Girls' foil	Giorgia Salmas (AUS) W (5–0)	Venissia Thépaut (FRA) W (5–3)	Rebeca Cândescu (ROU) W (5–1)	Christelle Joy Ko (HKG) W (5–1)	Anabella Acurero (VEN) W (5–0)	Noha Hany (EGY) W (5–1)	1	N/A	Christelle Joy Ko (HKG) W (13–3)	Anabella Acurero (VEN) W (8–4)	Martina Favaretto (ITA) W (15–12)

Futsal

Girls[10]

Summary

Team	Event	Group Stage					Semifinal	Final / BM
		Opposition score	Opposition score	Opposition score	Opposition score	Rank	Opposition score	Opposition score	Rank
Japan	Girls' tournament	Cameroon W 6–2	Chile W 4–1	Dominican Republic W 6–2	Portugal L 0–2	2	Spain W 3–2	Portugal L 1–4

Group D

Pos	Team	Pld	W	D	L	GF	GA	GD	Pts	Qualification
1	Portugal	4	4	0	0	37	2	+35	12	Semi-finals
2	Japan	4	3	0	1	16	7	+9	9
3	Cameroon	4	2	0	2	16	13	+3	6
4	Chile	4	0	1	3	6	27	−21	1
5	Dominican Republic	4	0	1	3	6	32	−26	1

Source: FIFA IOC

8 October 2018

14:00

Cameroon	2–6	Japan
Tchomte  29' Kalieu  35'	Report (FIFA) Report (IOC)	Maeda  7', 36' Yamakawa  8', 20' Miyamoto  34' Oino  38'

Tecnópolis

Attendance: 1,260

Referee: Andres Peña (Argentina)

10 October 2018

14:00

Japan	4–1	Chile
Miyamoto  13' Maeda  23' Arai  27' Carrasco  33' (o.g.)	Report (FIFA) Report (IOC)	Mora  17'

CeNARD

Attendance: 227

Referee: Leandro Lorenzo (Argentina)

11 October 2018

14:00

Japan	6–2	Dominican Republic
Yokoyama  7' Oino  9' Ikeuchi  18' Abe  19' Arai  22' Maeda  27'	Report (FIFA) Report (IOC)	Collado  3', 4'

Tecnópolis

Attendance: 2,085

Referee: Tayana Moreno (Venezuela)

13 October 2018

14:00

Portugal	2–0	Japan
Sanheiro  5' Pereira  21'	Report FIFA) Report (IOC)

CeNARD

Attendance: 359

Referee: Rafael Villalba (Paraguay)

Semi-finals

15 October 2018

16:00

Spain	2–3	Japan
de las Heras  17', 39'	Report (FIFA) Report (IOC)	Maeda  21' Arai  24' Oino  32'

Tecnópolis

Attendance: 6,200

Referee: Lance Vanhaitsma (United States)

Finals

17 October 2018

18:00

Portugal	4–1	Japan
Fifó  1', 9', 14', 21'	Report (FIFA) Report (IOC) Category:Futsal at the 2018 Summer Youth Olympics – Girls Final‎ on Wikimedia Commons	Yamakawa  21'

Tecnópolis

Attendance: 1,800

Referee: Gelareh Nazemi (Iran)

Golf

Individual

Athlete	Event	Round 1		Round 2			Round 3			Total
		Score	Rank	Score	Total	Rank	Score	Total	Rank	Score	Par	Rank
Kagetsu Tsuruse	Girls' Individual	79 (+9)	22	77 (+7)	156	19	79 (+9)	235	28	235	+25	27
Ryou Hitsatsune	Boys' Individual	75 (+5)	20	68 (-2)	143	1	70 (0)	213	4	213	+3	5

Team

Athletes	Event	Round 1 (Fourball)		Round 2 (Foursome)		Round 3 (Individual Stroke)				Total
		Score	Rank	Score	Rank	Girl	Boy	Total	Rank	Score	Par	Rank
Kagetsu Tsuruse Ryou Hitsatsune	Mixed team	64 (-6)	6	74 (+4)	15	76	70	146 (+6)	11	284	+4	9

Gymnastics

Artistic

Japan qualified two gymnasts based on its performance at the 2018 Asian Junior Championship.[11]

Athlete	Event	Apparatus						Total	Rank
		F	PH	R	V	PB	HB
Takeru Kitazono	Qualification	13.500	14.133	13.700	14.100	14.266	13.600	83.299	1 Q
	All-around	13.833	13.966	13.466	14.233	13.000	13.800	83.299
	Floor							13.633
	Parallel bars							12.666	6
	Rings							13.533
	Parallel bars							14.166
	Horizontal bar							13.566

Athlete	Event	Apparatus				Total	Rank
		V	UB	BB	F
Chiharu Yamada	Qualification	13.100	9.733	11.166	12.566	46.565	21
	Floor					12.000	6

Rhythmic

Japan qualified one gymnast based on its performance at the 2018 Asian Junior Championship.[11]

Individual

Athlete	Event	Qualification						Final
		Hoop	Ball	Clubs	Ribbon	Total	Rank	Hoop	Ball	Clubs	Ribbon	Total	Rank
Aino Yamada	Individual	14.900	14.850	15.450	14.250	59.450	6 Q	15.500	15.300	15.000	12.400	58.200	8

Trampoline

Japan qualified two gymnasts based on its performance at the 2018 Asian Junior Championship.[11]

• Boys' trampoline – 1 quota
• Girls' trampoline – 1 quota

Athlete	Event	Qualification				Final
		Routine 1	Routine 2	Total	Rank	Score	Rank
Takumi Fujimoto	Boys			50.975	12	Did not advance
Yuki Okuno	Girls	42.440	50.395	92.835	6 Q	50.760	5

Karate

Japan qualified three athlete based on the rankings in the Buenos Aires 2018 Olympic Standings.[12] Later, they qualified three more athletes based on its performance at one of the Karate Qualification Tournaments.[13]

Athlete	Event	Group Stage				Semifinal	Final / BM
		Opposition Score	Opposition Score	Opposition Score	Rank	Opposition Score	Opposition Score	Rank
Masaki Yamaoka	Boys' 61 kg	Pedropablo de la Roca (GUA) W (4–0)	Alireza Farajikouhikheili (IRI) W (5–0)	Oussama Edari (MAR) D (0–0)	1	Fahik Veseli (MKD) W (8–0)	Mohammed Al-Assiri (KSA) L (0–8)
Kotaro Nakamura	Boys' 68 kg	Yassine Sekouri (MAR) L (2–8)	Abilmansur Batyrgali (KAZ) L (0–3)	Juan Salsench (ARG) D (0–0)	3	Did not advance
Keisei Sakiyama	Boys' +68 kg	Tomáš Kósa (SVK) W (1–0)	Navid Mohammadi (IRI) W (2–0)	Sean McCarthy Crean (IRL) L (1–2)	3	Did not advance
Rinka Tahata	Girls' 53 kg	Aika Okazaki (THA) D (3–3)	Tânia de Barros (POR) W (2–0)	Fatemeh Khonakdartarsi (IRI) W (1–0)	1	Dildora Alikulova (UZB) W (2–0)	Yasmin Nasr Elgewily (EGY) L (1–2)
Kokoro Sakaji	Girls' 59 kg	Marta Ossipova (EST) W (4–0)	Zsófia Baranyi (HUN) W (1–0)	Ivana Perović (SRB) W (1–0)	1	Mobina Heydariozomcheloei (IRI) D (0–0)	Anna Chernysheva (RSA) W (3–0)
Sakura Sawashima	Girls' +59 kg	Laura Lyck (DEN) W (2–0)	Negin Altooni (IRI) L (1–5)	Janessa Fonseca (PUR) W (3–0)	1	Lauren Salisbury (GBR) W (9–1)	Annika Sælid (NOR) L (0–3)

Modern pentathlon

Rowing

Japan qualified one boat based on its performance at the 2018 Asian Youth Olympic Games Qualification Regatta.[14]

• Boys' single sculls – 1 athlete

Rugby sevens

Boys' tournament

Summary

Team	Event	Group Stage						Bronze medal game
		Opposition score	Opposition score	Opposition score	Opposition score	Opposition score	Rank	Opposition score	Rank
Japan	Boys' tournament	South Africa W 14–12	Argentina L 0–45	Samoa W 29–0	United States D 17–17	France L 14–29	3	South Africa W 28–5

Group Stage

Pos	Team	Pld	W	D	L	PF	PA	PD	Pts
1	Argentina	5	5	0	0	180	38	+142	15
2	France	5	4	0	1	111	65	+46	13
3	Japan	5	2	1	2	74	103	−29	10
4	South Africa	5	2	0	3	79	84	−5	9
5	United States	5	0	2	3	67	120	−53	7
6	Samoa	5	0	1	4	48	149	−101	6

Source: Buenos Aires 2018
Rules for classification: 1) Points; 2) Head-to-head result; 3) Point difference; 4) Points scored.

13 October 2018 13:15

South Africa	12–14	Japan
Try: Maubane 3'c Kellerman 7'm Con: Hattingh (1/2) 3'	Report	Try: Nakanishi 6'c Konishi 11'c Con: Yamada (2/2) 7', 12'

Club Atlético San Isidro, Buenos Aires Referee: Nehuen Jauri Rivero (Argentina)

13 October 2018 17:10

Argentina	45–0	Japan
Try: Cinti Luna (2) 2'c, 9'c Vanni 4'm González 6'c Mendy 8'c Graziano 11'm Moneta 13'c Con: Roger (2/3) 3', 6' Elicagaray (3/4) 8', 9', 13'	Report

Club Atlético San Isidro, Buenos Aires Referee: Francisco González (Uruguay)

14 October 2018 10:05

Japan	29–0	Samoa
Try: Fujii (3) 0'm, 1'm, 4'c Konishi 10'c Nakanishi 13'm Con: Yamada (2/5) 5', 10'	Report

Club Atlético San Isidro, Buenos Aires Referee: Damián Schneider (Argentina)

14 October 2018 12:45

United States	17–17	Japan
Try: Sione 3'c Kruse 10'm Green 13'm Con: Sione (1/3) 3'	Report	Try: Konishi 4'c Nakanashi 6'm Yamada 8'm Con: Konishi (1/1) 5' Ishida (0/1) Uemura (0/1)

Club Atlético San Isidro, Buenos Aires Referee: Nehuen Jauri Rivero (Argentina)

15 October 2018 11:55

France	29–14	Japan
Try: Dridi 1'c Dulon 4'm Randle 6'c Trouabal 11'm Tani 13'm Con: Bellot (1/2) 2' Tiberghien (1/2) 7' Germain (0/1)	Report	Try: Konishi 3'c Fujii 9'c Con: Konishi (1/1) 4' Yamada (1/1) 9'

Club Atlético San Isidro, Buenos Aires Referee: Paulo Duarte (Portugal)

Bronze medal match

15 October 2018 15:10

Japan	28–5	South Africa
Try: Fujii 2'c Nakanishi 3'c Konishi (2) 8'c, 12'c Con: Konishi (4/4) 2', 3', 9', 12'	Report	Try: Maubane 13'm Con: Braude (0/1)

Club Atlético San Isidro, Buenos Aires Referee: Damián Schneider (Argentina)

Sailing

Japan qualified one boat based on its performance at the 2018 Singapore Open (Asian Techno 293+ Qualifiers).[15][16]

• Boys' Techno 293+ – 1 boat

Shooting

• Girls Rifle – Aoi Takagi

Individual

Athlete	Event	Qualification		Final
		Points	Rank	Points	Rank
Aoi Takagi	Girls' 10m air rifle	615.1	15	Did not advance

Team

Athletes	Event	Qualification		Round of 16	Quarterfinals	Semifinals	Final / BM
		Points	Rank	Opposition Result	Opposition Result	Opposition Result	Opposition Result	Rank
Aoi Takagi (JPN)  Maximilian Ulbrich (GER)	Mixed 10 metre air rifle	825.1	7 Q	Martínez López (MEX)  Wadlegger (AUT) L 7–10	Did not advance

Sport climbing

Japan qualified two sport climbers based on its performance at the 2017 World Youth Sport Climbing Championships. They also qualified a female climber based on its performance at the 2017 Asian Youth Sport Climbing Championships.[17][18]

• Boys' combined – 2 quotas (Keita Dohi, Shuta Tanaka)
• Girls' combined – 1 quota (Mao Nakamura)

Swimming

[19]

Boys

Athlete	Event	Heat		Semifinal		Final
		Time	Rank	Time	Rank	Time	Rank
Keisuke Yoshida	200 m freestyle	1:48.97	1 Q	N/A		1:48.75	5
	400 m freestyle	3:51.68	1 Q	N/A		3:48.68
	800 m freestyle	N/A				7:53.85
Taku Taniguchi	50 m breaststroke	28.28	3 Q	28.22	4	28.20	4
	100 m breaststroke	1:01.68	3 Q	1:02.08	5 Q	1:01.40
	200 m breaststroke	2:16.67	8 Q	N/A		2:15.21	5
Yu Hanaguruma	50 m breaststroke	29.18	16 Q	29.01	14	Did not advance
	100 m breaststroke	1:02.22	4 Q	1:01.99	4 Q	1:01.62	4
	200 m breaststroke	2:13.58	1 Q	N/A		2:11.63
Shinnosuke Ishikawa	50 m butterfly	24.64	16 Q	24.76	14	Did not advance
	100 m butterfly	53.57	7 Q	52.67	4 Q	52.52	4
	200 m butterfly	2:01.47	7 Q	N/A		1:59.42	6
Keisuke Yoshida Taku Taniguchi Shinnosuke Ishikawa Yu Hanaguruma	4 × 100 m freestyle relay	N/A				3:26.80	6
Keisuke Yoshida Yu Hanaguruma Shinnosuke Ishikawa Taku Taniguchi	4 × 100 m medley relay	3:45.34	3 Q	N/A		DSQ

Girls

Athlete	Event	Heat		Semifinal		Final
		Time	Rank	Time	Rank	Time	Rank
Mayuka Yamamoto	50 m freestyle	25.80	6 Q	25.62	7 Q	25.39
	100 m freestyle	55.95	4 Q	56.37	9	Did not advance
	50 m butterfly	26.84	3 Q	27.12	8 Q	27.17	7
Nagisa Ikemoto	50 m freestyle	26.52	18	Did not advance
	100 m freestyle	55.51	2 Q	55.25	4 Q	55.37	4
	200 m freestyle	2:01.18	6 Q	N/A		1:59.89	5
Shiori Asaba	50 m breaststroke	33.46	25	Did not advance
	100 m breaststroke	1:09.27	3 Q	1:09.50	6 Q	1:09.57	8
	200 m breaststroke	2:29.12	1 Q	N/A		2:26.80
Miku Kojima	200 m individual medley	2:15.37	3 Q	N/A		2:15.09	4
Miku Kojima Mayuka Yamamoto Nagisa Ikemoto Shiori Asaba	4 × 100 m freestyle relay	N/A				3:49.27

Mixed

Athlete	Event	Heat		Final
		Time	Rank	Time	Rank
Keisuke Yoshida Taku Taniguchi Mayuka Yamamoto Nagisa Ikemoto Shinnosuke Ishikawa^[a]	4 × 100 m freestyle relay	3:35.95	6 Q	3:34.18	7
Miku Kojima Taku TaniguchI Shinnosuke Ishikawa Nagisa Ikemoto Yu Hanaguruma^[b]	4 × 100 m medley relay	3:54.14	2 Q	3:51.74

• ^a Swimmers who participated in the heats only.
• ^b Swimmers who participated in the heats only and received medals.

Table tennis

Japan qualified two table tennis players based on its performance at the Asian Continental Qualifier.[20]

• Boys' singles – Tomokazu Harimoto
• Girls' singles – Miu Hirano

Taekwondo

Athlete	Event	Round of 16	Quarterfinals	Semifinals	Final
		Opposition Score	Opposition Score	Opposition Score	Opposition Score	Rank
Hidetaka Maeda	Boys' 55 kg	Mason Yarrow (GBR) W (29–6)	Georgii Popov (RUS) L (13–34)	Did not advance

Tennis

Athlete	Event	First round	Second round	Quarterfinals	Semifinals	Final / BM
		Opposition Score	Opposition Score	Opposition Score	Opposition Score	Opposition Score	Rank
Naoki Tajima	Boys' singles	Arnaud Bovy (BEL) W (6–4, 6-2)	Hugo Gaston (FRA) L (3–6, 2-6)	Did not advance
Naoki Tajima  Mu Tao (CHN)	Boys' doubles	Filip Cristian Jianu Daniel Michalski (MIX) W (6–7, 6-3)	N/A	Sebastián Báez Facundo Díaz Acosta (ARG) L (0–6, 1-6)	Did not advance
Yuki Naito	Girls' singles	Wang Xiyu (CHN) W (7–6, 7-5)	Kamilla Rakhimova (RUS) W (7–6, 3-6, 6-4)	María Camila Osorio Serrano (COL) L (7–6, 3-6, 1-6)	Did not advance
Naho Sato		Viktoriia Dema (UKR) L (1–6, 4-6)	Did not advance
Yuki Naito Naho Sato	Girls' doubles	Georgia Drummy Ana Makatsaria (MIX) W (6–1, 7-5)	N/A	Margaryta Bilokin Viktoriia Dema (UKR) W (7–5, 5-7)	Wang Xinyu Wang Xiyu (CHN) W (6–4, 4-6)	Kaja Juvan Iga Świątek (MIX) L (7–6, 5-7)
Yuki Naito Naoki Tajima	Mixed doubles	Ana Makatsaria Patrick Sydow (MIX) W (6–0, 6-1)	Iga Świątek Daniel Michalski (POL) W w/o	Joanna Garland Tseng Chun-hsin (TPE) W (6–1, 6-0)	Clara Burel Hugo Gaston (FRA) W (6–1, 7-5)	María Camila Osorio Serrano Nicolás Mejía (COL) L (6–2, 6-3)
Naho Sato  Gilbert Soares Klier Júnior (BRA)	Mixed doubles	Georgia Drummy Delmas N'tcha (MIX) W (6–1, 6-1)	Oksana Selekhmeteva Carlos López Montagud (MIX) L (4-6, 7-6^8, [6]-[10])	Did not advance

Triathlon

Japan qualified two athletes based on its performance at the 2018 Asian Youth Olympic Games Qualifier.[21]

Individual

Athlete	Event	Swim (750m)	Trans 1	Bike (20 km)	Trans 2	Run (5 km)	Total Time	Rank
Teppei Tokuyama	Boys	9:59	0:29	29:10	0:34	17:38	57:50	23
Maki Uchida	Girls	9:32	0:55	32:16	0:32	22:05	1:05:20	25

Relay

Athlete	Event	Total Times per Athlete (Swim 250m, Bike 6.6 km, Run 1.8 km)	Total Group Time	Rank
Asia 1  Lee Jung-won (KOR)  Teppei Tokuyama (JPN)  Emma Ada Middleditch (SGP)  Daniil Zubtsov (KAZ)	Mixed Relay	22:57 (8) 21:44 (9) 24:01 (7) 23:15 (10)	1:31:57	10
Asia 2  Maki Uchida (JPN)  Hung Tik Long (HKG)  Yu Xinying (CHN)  Chong Xian Hao (MAS)		23:40 (13) 24:22 (14) 25:21 (11) 23:26 (11)	1:36:49 1P	13

Weightlifting

Japan qualified one athlete based on its performance at the 2018 Asian Youth Championships.[22]

Athlete	Event	Snatch		Clean & jerk		Total	Rank
		Result	Rank	Result	Rank
Sumire Hashimoto	Girls' -63 kg	75	7	95	8	170	8

Wrestling

Boys

Athlete	Event	Group Stage			Final / BM / FM
		Opposition Score	Opposition Score	Rank	Opposition Score	Rank
Hayato Fujita	freestyle 55 kg	Vladyslav Ostapenko (UKR) L (4–10)	Robert Howard (USA) L (2–13)	3	Gavin Whitt (GUM) W (10–0)	5
Wataru Sasaki	Greco-Roman 51 kg	Mehdi Jouini (TUN) W (9–0)	Axel Salas (MEX) W (10–1)	1	Giorgi Tokhadze (GEO) W (11–7)
Shu Yamada	Greco-Roman 71 kg	Lynch Santos (GUM) W (8–0)	Stepan Starodubtsev (RUS) L (2–4)	2	Lamjed Maafi (TUN) W (4–0)

Girls

Athlete	Event	Group Stage					Final / BM
		Opposition Score	Opposition Score	Opposition Score	Opposition Score	Rank	Opposition Score	Rank
Nonoka Ozaki	freestyle 57 kg	Andrea López (MEX) W (8–2)	Kaetlyn-Rae Quintanilla (GUM) W (10–0)	Anastasia Blayvas (GER) W (10–0)	Hala Ahmed (EGY) W (10–0)	1	Anna Szél (HUN) W (10–0)
Shu Yamada	freestyle 73 kg	Milaimys Marín (CUB) L (1–4)	Ioana Ludgate (ASA) W (10–0)	Julia Fridlund (SWE) W (12–2)	Anika White (CAN) W (10–0)	2	Kseniya Dzibuk (BLR) W (8–0)

References

1. "YOG 2018 Qualification Places – Boys" (PDF). World Archery Federation. Retrieved 15 December 2017.
2. "YOG 2018 Qualification Places – Girls" (PDF). World Archery Federation. Retrieved 15 December 2017.
3. "第3回ユースオリンピック競技大会 陸上競技日本代表内定選手団" (PDF) (in Japanese). Japan Association of Athletics Federations. 5 July 2018. Retrieved 8 September 2018.
4. "BWF Junior World Ranking – Boys Invited to 2018 Youth Olympics" (PDF). BWF Corporate. Retrieved 19 May 2018.
5. "BWF Junior World Ranking – Girls Invited to 2018 Youth Olympics" (PDF). BWF Corporate. Retrieved 19 May 2018.
6. "Countries that will participate in the 2018 Youth Olympics" (PDF). UCI. 1 June 2018. Retrieved 1 June 2018.
7. "Japan Too!". World DanceSport Federation. 20 May 2018. Retrieved 21 May 2018.
8. "The Winners Are..." World DanceSport Federation. 20 May 2018. Retrieved 21 May 2018.
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11. "2018 Youth Olympic Games Gymnastics Qualifiers". FIG. 25 June 2018. Retrieved 26 June 2018.
12. "Karate powerhouses lead standings for Youth Olympic Games". World Karate Federation. 1 June 2018. Retrieved 2 June 2018.
13. "Youth Olympic qualifier concludes in Umag with new karatekas making it to Buenos Aires 2018". World Karate Federation. 1 July 2018. Retrieved 1 July 2018.
14. "2018 Youth Olympic Games Rowing Places Obtained" (PDF). FISA. 30 October 2017. Retrieved 10 November 2017.
15. "Singapore Open 2018 Windsurfing Competition". Singapore Sailing. 11 February 2018. Archived from the original on 12 February 2018. Retrieved 3 August 2017.
16. "2018 Youth Olympic Games – Qualification". World Sailing. 5 June 2018. Retrieved 5 June 2018.
17. "World Youth Championship". IFSC. 10 September 2017. Retrieved 13 October 2017.
18. "Asian Youth Championship: Youth A Combined" (PDF). IFSC. 9 July 2017. Retrieved 3 August 2017.
19. "第3回ユースオリンピック競技大会" (PDF) (in Japanese). Japan Swimming Federation. 8 August 2018. Retrieved 8 August 2018.
20. "Favourites prevail in Greater Noida, Buenos Aires invitations reserved in style". ITTF. 5 November 2017. Retrieved 10 November 2017.
21. "2018 Subic Bay ASTC Triathlon Asian YOG Qualifier". ITU. 17 June 2018. Retrieved 25 June 2018.
22. "Girls Team YOG Classification from Asian Youth Championships" (PDF). International Weightlifting Federation. 30 April 2018. Retrieved 10 May 2018.