All meetings (20)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-10-05 | ATP | Tel Aviv | Round of 32 | Hard | Ilie Nastase | 4-6 | 6-4 | 7-6 | ||
| 1980-07-14 | ATP | Stuttgart Outdoor | Round of 32 | Clay | Ilie Nastase | 6-4 | 6-3 | |||
| 1978-06-26 | ATP | Wimbledon | Quarterfinal | Grass | Tom Okker | 5-7 | 1-6 | 6-2 | 3-6 | |
| 1977-06-20 | ATP | Wimbledon | Round of 16 | Grass | Ilie Nastase | 6-8 | 6-4 | 6-4 | 6-4 | |
| 1977-03-28 | ATP | London WCT | Round of 16 | Hard | Ilie Nastase | 7-65 | 6-4 | |||
| 1974-03-11 | ATP | Washington WCT | Final | Carpet | Ilie Nastase | 6-3 | 6-3 | |||
| 1974-02-11 | ATP | Toronto WCT | Final | Carpet | Tom Okker | 3-6 | 4-6 | |||
| 1974-01-14 | ATP | Lakeway | Quarterfinal | Hard | Ilie Nastase | 6-4 | 2-6 | 7-6 | ||
| 1973-12-04 | ATP | Masters | Final | Carpet | Ilie Nastase | 6-3 | 7-5 | 4-6 | 6-3 | |
| 1973-11-17 | ATP | London | Final | Carpet | Tom Okker | 3-6 | 4-6 | |||
| 1973-10-29 | ATP | Paris Indoor | Semifinal | Hard | Ilie Nastase | 7-6 | 6-2 | 7-5 | ||
| 1973-10-21 | ATP | Madrid | Semifinal | Clay | Tom Okker | 4-6 | 6-1 | 5-7 | ||
| 1973-09-30 | ATP | Chicago | Semifinal | Carpet | Tom Okker | 6-3 | 3-6 | 3-6 | ||
| 1973-09-17 | ATP | Los Angeles | Semifinal | Hard | Tom Okker | 6-2 | 5-7 | 2-6 | ||
| 1973-05-18 | ATP | Davis Cup EUR QF: NED vs ROU | Round Robin | Clay | Ilie Nastase | 6-4 | 6-2 | 6-4 | ||
| 1972-11-04 | ATP | Stockholm | Semifinal | Hard | Tom Okker | 4-6 | 7-6 | 4-6 | ||
| 1971-04-05 | ATP | Monte Carlo | Final | Clay | Ilie Nastase | 3-6 | 8-6 | 6-1 | 6-1 | |
| 1970-08-17 | ATP | Hamburg | Final | Clay | Tom Okker | 6-4 | 3-6 | 3-6 | 4-6 | |
| 1970-05-12 | ATP | Brussels | Final | Clay | Tom Okker | 3-6 | 4-6 | 6-0 | 6-4 | 4-6 |
| 1968-05-06 | ATP | Rome | Round of 16 | Clay | Tom Okker | 3-6 | 7-5 | 2-6 | 3-6 |