2018 Croatia Open Umag – Singles

Andrey Rublev was the defending champion, but lost in the quarterfinals to Robin Haase. This was Rublev's first tournament back on tour after missing three months due to a stress fracture in his back.[1]

Singles
2018 Croatia Open Umag
Champion	Marco Cecchinato
Runner-up	Guido Pella
Final score	6–2, 7–6^(7–4)

Marco Cecchinato won the title, defeating Guido Pella in the final, 6–2, 7–6^(7–4).

Seeds

The top four seeds receive a bye into the second round.

1. Kyle Edmund (Withdrew due to a throat infection)
2. Damir Džumhur (Second round)
3. Marco Cecchinato (Champion)
4. Andrey Rublev (Quarterfinals)
5. Albert Ramos Viñolas (Second round)
6. Robin Haase (Semifinals)
7. João Sousa (First round)
8. Benoît Paire (First round)
9. Maximilian Marterer (Second round)

Draw

Key

• Q = Qualifier
• WC = Wild Card
• LL = Lucky Loser
• Alt = Alternate
• SE = Special Exempt
• PR = Protected Ranking
• ITF = ITF entry
• JE = Junior Exempt
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
		Guido Pella	6	1	6
	6	Robin Haase	3	6	2
									Guido Pella	2	6^4
								3	Marco Cecchinato	6	7^7
	3	Marco Cecchinato	6	6
	Q	Marco Trungelliti	2	1

Top half

	First Round							Second Round							Quarterfinals							Semifinals
								5	A Ramos Viñolas	3	6	0
		D Lajović	7	6					D Lajović	6	1	6
		N Basilashvili	5	2												D Lajović	6^3	5
		G Pella	1	6	6											G Pella	7^7	7
		T Daniel	6	3	3				G Pella	5	6	6
		A Bedene	7^7	4	6				A Bedene	7	4	4
	7	J Sousa	6^5	6	4																		G Pella	6	1	6
																						6	R Haase	3	6	2
								4	A Rublev	6	6^4	6
	WC	F Auger-Aliassime	6	6				WC	F Auger-Aliassime	4	7^7	3
	LL	A Martin	4	3											4	A Rublev	3	6^6
	Q	M Kližan	6	6											6	R Haase	6	7^8
		N Jarry	2	0				Q	M Kližan	6	4	3
	Q	R Dutra Silva	6	5	3			6	R Haase	3	6	6
	6	R Haase	4	7	6

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	9	M Marterer	3	7	6
	WC	N Serdarušić	6	5	3			9	M Marterer	6^4	3
		L Đere	6	1	6				L Đere	7^7	6
		P Cuevas	4	6	3											L Đere	4	1
	Q	S Travaglia	3	6	2										3	M Cecchinato	6	6
		J Veselý	6	3	6				J Veselý	6	5	5
								3	M Cecchinato	2	7	7
																						3	M Cecchinato	6	6
	8	B Paire	1	3																		Q	M Trungelliti	2	1
		M Fucsovics	6	6					M Fucsovics	7	4	2
	Q	M Trungelliti	6	6				Q	M Trungelliti	5	6	6
	WC	F Škugor	3	4											Q	M Trungelliti	6	6
		P Lorenzi	3	4												E Donskoy	1	4
		E Donskoy	6	6					E Donskoy	7^11	3	6
								2	D Džumhur	6^9	6	4

Qualifying

Seeds

1. Martin Kližan (Qualified)
2. Rogério Dutra Silva (Qualified)
3. Alexey Vatutin (Qualifying competition, retired)
4. Stefano Travaglia (Qualified)
5. Facundo Bagnis (First round)
6. Enrique López Pérez (First round, retired)
7. Andrej Martin (Qualifying competition, Lucky loser)
8. Kenny de Schepper (Qualifying competition)

Qualifiers

1. Martin Kližan
2. Rogério Dutra Silva
3. Marco Trungelliti
4. Stefano Travaglia

Lucky loser

1. Andrej Martin

First qualifier

	First Round							Qualifying Competition
	1	Martin Kližan	2	7^7	6
		Danilo Petrović	6	6^2	4
								1	Martin Kližan	6	6
								8	Kenny de Schepper	4	2
		Zsombor Piros	2	6^5
	8	Kenny de Schepper	6	7^7

Second qualifier

	First Round							Qualifying Competition
	2	Rogério Dutra Silva	6	6
	WC	Admir Kalender	3	2
								2	Rogério Dutra Silva	6	5	6
								7	Andrej Martin	2	7	2
		Roberto Quiroz	2	6^0
	7	Andrej Martin	6	7^7

Third qualifier

	First Round							Qualifying Competition
	3	Alexey Vatutin	6	6
	Alt	Nik Razboršek	2	3
								3	Alexey Vatutin	2^r
									Marco Trungelliti	3
		Marco Trungelliti	7^7	6
	5	Facundo Bagnis	6^4	3

Fourth qualifier

	First Round							Qualifying Competition
	4	Stefano Travaglia	7^7	7^7
		Gian Marco Moroni	6^3	6^1
								4	Stefano Travaglia	1	6	6
									Peđa Krstin	6	3	2
		Peđa Krstin	3
	6	Enrique López Pérez	1^r

References

1. "Russian looks sharp in return from injury". ATP. 19 July 2018. Retrieved 20 July 2018.

• Main draw
• Qualifying draw