1973 Commercial Union Assurance Masters – Singles
| Singles | |
|---|---|
| 1973 Commercial Union Assurance Masters | |
| Champion | Ilie Năstase |
| Runner-up | Tom Okker |
| Score | 6–3, 7–5, 4–6, 6–3 |
| Draw | 8 |
Two-time defending champion Ilie Năstase successfully defended his title, defeating Tom Okker in the final, 6–3, 7–5, 4–6, 6–3 to win the singles title at the 1973 Commercial Union Assurance Masters.