1973 Commercial Union Assurance Masters – Singles
| Singles | |
|---|---|
| 1973 Commercial Union Assurance Masters | |
| Champion |
 Ilie Năstase
|
| Runner-up |
 Tom Okker
|
| Final score | 6–3, 7–5, 4–6, 6–3 |
Ilie Năstase was the defending champion and won in the final 6–3, 7–5, 4–6, 6–3 against Tom Okker.
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.
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.
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