203–252Win–Loss
44.6%Win %
2Titles
| Surface | W | L | % |
|---|---|---|---|
| Hard | 61 | 79 | 43.6% |
| Clay | 48 | 69 | 41.0% |
| Carpet | 44 | 61 | 41.9% |
| Grass | 37 | 34 | 52.1% |
| Unknown | 13 | 9 | 59.1% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 1983 | 0 | 2 | 0 | 0.0% |
| 1982 | 0 | 2 | 0 | 0.0% |
| 1981 | 0 | 1 | 0 | 0.0% |
| 1980 | 0 | 4 | 0 | 0.0% |
| 1979 | 4 | 8 | 0 | 33.3% |
| 1978 | 10 | 18 | 0 | 35.7% |
| 1977 | 18 | 20 | 0 | 47.4% |
| 1976 | 13 | 20 | 1 | 39.4% |
| 1975 | 13 | 18 | 0 | 41.9% |
| 1974 | 20 | 18 | 1 | 52.6% |
| 1973 | 26 | 36 | 0 | 41.9% |
| 1972 | 31 | 27 | 0 | 53.4% |
| 1971 | 14 | 32 | 0 | 30.4% |
| 1970 | 29 | 21 | 0 | 58.0% |
| 1969 | 8 | 12 | 0 | 40.0% |
| 1968 | 17 | 13 | 0 | 56.7% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 1976-09-01 | US Open | R64 | W | Ray Ruffels | 61 | 3-6 6-1 6-4 |
| 1976-09-01 | US Open | R128 | W | Brian Teacher | 109 | 7-5 6-1 |
| 1976-06-21 | Wimbledon | R128 | L | Marty Riessen | 58 | 6-3 6-3 8-6 |
| 1976-06-15 | Nottingham | R64 | L | Jimmy Connors | 1 | 6-4 6-0 |
| 1976-04-05 | Johannesburg WCT | R16 | L | Tom Okker | 11 | 7-6 3-6 7-6 |
| 1976-03-08 | Nuremberg | F | W | Thomaz Koch | 62 | 2-6 6-3 6-4 |
| 1976-03-08 | Nuremberg | SF | W | Balazs Taroczy | 69 | 6-4 6-3 |
| 1976-03-08 | Nuremberg | QF | W | Karl Meiler | 31 | 6-4 6-0 |
| 1976-03-08 | Nuremberg | R16 | W | Paul Van Min | – | 6-4 6-4 |
| 1976-03-08 | Nuremberg | R32 | W | Eric Deblicker | 133 | 6-3 6-3 |
| 1976-03-01 | Basel | QF | L | Karl Meiler | 31 | 6-1 3-6 6-4 |
| 1976-03-01 | Basel | R16 | W | Barry Phillips Moore | 128 | 6-4 6-2 |
| 1976-02-23 | Rotterdam WCT | R16 | L | Tom Okker | 11 | 7-5 6-2 |
| 1976-02-17 | Rome WCT | R16 | L | Adriano Panatta | 14 | 7-6(4) 6-2 |
| 1976-02-10 | Toronto Indoor WCT | R16 | L | Marty Riessen | 24 | 6-1 6-2 |
| 1976-02-04 | Richmond WCT | R16 | L | Ross Case | 27 | 6-1 7-6(3) |
| 1976-01-26 | Philadelphia WCT | R64 | L | Dick Crealy | 56 | 6-2 6-4 |
| 1976-01-25 | Baltimore | R16 | L | Ross Case | 27 | 6-3 6-4 |
| 1976-01-12 | Indianapolis WCT | R16 | L | Vitas Gerulaitis | 15 | 6-3 6-4 |
| 1976-01-07 | Columbus WCT | R16 | L | Kim Warwick | 49 | 7-5 6-2 |
| 1975-11-17 | Johannesburg | QF | L | Harold Solomon | 15 | 6-0 6-1 |
| 1975-11-17 | Johannesburg | R16 | W | Eddie Dibbs | 27 | 7-6 6-1 |
| 1975-11-17 | Johannesburg | R32 | W | Rauty Krog | 249 | 6-3 6-2 |
| 1975-11-17 | Johannesburg | R64 | W | Deon Joubert | 265 | 6-4 6-4 |
| 1975-11-06 | Stockholm | R64 | L | Jorge Andrew | 162 | 5-7 7-5 6-0 |
| 1975-10-26 | Tehran | R16 | L | Ivan Molina | 83 | 6-7 6-4 6-4 |
| 1975-10-26 | Tehran | R32 | W | Mansour Bahrami | – | 6-2 1-6 6-0 |
| 1975-10-12 | Madrid | R64 | L | Adriano Panatta | 28 | 6-1 6-1 |
| 1975-09-21 | Bermuda | QF | L | Vitas Gerulaitis | 19 | 6-2 7-5 |
| 1975-09-21 | Bermuda | R16 | W | Ion Tiriac | 121 | 6-4 7-6 |
| 1975-08-27 | US Open | R64 | L | Charlie Pasarell | 40 | 7-5 6-2 |
| 1975-08-27 | US Open | R128 | W | Rolf Thung | 98 | 6-0 6-3 |
| 1975-06-23 | Wimbledon | R128 | L | Grover Raz Reid | 91 | 6-1 6-4 6-4 |
| 1975-04-21 | Stockholm - WCT | R16 | L | Onny Parun | 20 | 6-4 3-6 6-4 |
| 1975-04-21 | Stockholm - WCT | R32 | W | Kjell Johansson | 111 | 6-4 4-6 6-0 |
| 1975-04-11 | Johannesburg - WCT | SF | L | Tom Okker | 9 | 6-3 6-3 |
| 1975-04-11 | Johannesburg - WCT | QF | W | Arthur Ashe | 8 | 6-3 3-6 6-3 |
| 1975-04-11 | Johannesburg - WCT | R16 | W | Hans Kary | 86 | 5-7 6-4 6-3 |
| 1975-04-11 | Johannesburg - WCT | R32 | W | Jose Higueras | 57 | 6-2 6-2 |
| 1975-03-23 | Monte Carlo WCT | R32 | L | Antonio Zugarelli | 69 | 6-4 3-6 6-4 |
| 1975-03-10 | Munich WCT | R32 | L | Bjorn Borg | 3 | 6-7(5) 6-3 6-1 |
| 1975-03-04 | London WCT | R16 | L | Adriano Panatta | 41 | 6-2 6-2 |
| 1975-02-24 | Rotterdam WCT | QF | L | Bjorn Borg | 3 | 4-6 6-2 6-1 |
| 1975-02-24 | Rotterdam WCT | R16 | W | Andrew Pattison | 27 | 6-4 6-7(1) 7-6(4) |
| 1975-02-24 | Rotterdam WCT | R32 | W | Corrado Barazzutti | 56 | 6-7(5) 6-3 6-2 |
| 1975-02-17 | Barcelona WCT | R32 | L | Kjell Johansson | 147 | 6-1 3-6 6-3 |
| 1975-02-06 | Bologna WCT | R16 | L | Bob Giltinan | 133 | 6-3 6-2 |
| 1975-02-06 | Bologna WCT | R32 | W | John Lloyd | 97 | 0-6 6-4 6-4 |
| 1975-01-27 | Richmond-WCT | R32 | L | Bob Giltinan | 133 | 6-4 6-7(6) 6-3 |
| 1975-01-20 | Philadelphia WCT | R128 | L | Grover Raz Reid | 83 | 6-3 6-3 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0