1975 Commercial Union Assurance Masters – Singles

Singles
	1975 Commercial Union Assurance Masters
Champion	Ilie Năstase
Runner-up	Björn Borg
Final score	6–2, 6–2, 6–1

Ilie Năstase won the singles title at the 1975 Commercial Union Assurance Masters tennis tournament after defeating Björn Borg in the final 6–2, 6–2, 6–1.

Draw

Key

Finals

Semifinals						Final


	Ilie Năstase	6	6	6

	Guillermo Vilas	0	3	4
							Ilie Năstase	6	6	6

							Björn Borg	2	2	1
	Björn Borg	6	3	6	6

	Arthur Ashe	4	6	2	2

Blue Group

	Orantes	Panatta	Năstase	Ashe	RR W–L	Set W–L	Game W–L	Standings
Manuel Orantes		6–4, 7–6	6–3, 4–6, 4–6	4–6, 1–6	1–2	3–4	32–37	3
Adriano Panatta	4–6, 6–7		6–7, 6–3, 0–6	6–7, 3–6	0–3	1–6	31–42	4
Ilie Năstase	3–6, 6–4, 6–4	7–6, 3–6, 6–0		6–1, 5–7, 1–4 d	2–1	5–3	43–40	2
Arthur Ashe	6–4, 6–1	7–6, 6–3	1–6, 7–5, 4–1 d		3–0	6–1	47–36	1

Standings are determined by: 1) Number of wins; 2) Number of matches; 3) In two-players-ties, head-to-head records; 4) In three-players-ties, percentage of sets won, or of games won; 5) Steering Committee decision.

White Group

	Solomon	Ramírez	Vilas	Borg	RR W–L	Set W–L	Game W–L	Standings
Harold Solomon		5–7, 6–3, 6–3	3–6, 4–6	2–6, 2–6	1–2	2–5	27–37	3
Raúl Ramírez	7–5, 3–6, 3–6		4–6, 0–6	3–6, 3–6	0–3	1–6	17–41	4
Guillermo Vilas	6–3, 6–4	6–4, 6–0		7–5, 4–6, 6–1	3–0	6–1	41–23	1
Björn Borg	6–2, 6–2	6–3, 6–3	5–7, 6–4, 1–6		2–1	5–2	36–27	2