1975 Commercial Union Assurance Masters – Singles
| Singles | |
|---|---|
| 1975 Commercial Union Assurance Masters | |
| Champion | Ilie Năstase |
| Runner-up | Björn Borg |
| Score | 6–2, 6–2, 6–1 |
| Draw | 8 |
Ilie Năstase defeated Björn Borg in the final, 6–2, 6–2, 6–1 to win the singles title at the 1975 Commercial Union Assurance Masters.
Guillermo Vilas was the defending champion, but lost to Năstase in the semifinals in a rematch of the previous year's final.