130–131Win–Loss
49.8%Win %
2Titles
| Surface | W | L | % |
|---|---|---|---|
| Clay | 82 | 77 | 51.6% |
| Hard | 30 | 24 | 55.6% |
| Carpet | 11 | 17 | 39.3% |
| Grass | 4 | 10 | 28.6% |
| Unknown | 3 | 3 | 50.0% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 1979 | 1 | 1 | 0 | 50.0% |
| 1978 | 3 | 4 | 0 | 42.9% |
| 1977 | 1 | 5 | 0 | 16.7% |
| 1976 | 27 | 18 | 0 | 60.0% |
| 1975 | 21 | 28 | 0 | 42.9% |
| 1974 | 32 | 32 | 0 | 50.0% |
| 1973 | 25 | 12 | 2 | 67.6% |
| 1972 | 0 | 4 | 0 | 0.0% |
| 1971 | 5 | 6 | 0 | 45.5% |
| 1970 | 5 | 5 | 0 | 50.0% |
| 1969 | 2 | 6 | 0 | 25.0% |
| 1968 | 8 | 10 | 0 | 44.4% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 1976-06-14 | Berlin | R16 | W | Ivan Molina | 46 | 6-2 6-4 |
| 1976-06-14 | Berlin | R32 | W | Norman Holmes | 70 | 6-1 4-6 6-3 |
| 1976-05-31 | Roland Garros | R64 | L | Eddie Dibbs | 18 | 6-3 7-5 6-1 |
| 1976-05-31 | Roland Garros | R128 | W | Jorge Andrew | 138 | 1-6 6-1 6-3 7-5 |
| 1976-05-17 | Hamburg | R64 | L | Gerald Battrick | 112 | 3-6 6-2 6-2 |
| 1976-05-04 | Munich | R16 | L | Juan Gisbert | 41 | 1-6 6-3 6-4 |
| 1976-05-04 | Munich | R32 | W | Paul Kronk | 89 | 4-6 7-5 6-1 |
| 1976-04-30 | Davis Cup EUR PR: FRG vs DEN | RR | W | Kasper Rud | – | 6-2 6-1 6-2 |
| 1976-04-30 | Davis Cup EUR PR: FRG vs DEN | RR | W | Carl Edvard Hedelund | – | 6-2 6-2 6-3 |
| 1976-04-18 | Palma | R64 | L | Birger Andersson | 95 | 7-5 7-5 |
| 1975-11-17 | Johannesburg | R64 | L | Brian Gottfried | 25 | 6-2 6-3 |
| 1975-11-10 | Buenos Aires | R16 | L | Zeljko Franulovic | 111 | 6-0 6-7 6-2 |
| 1975-11-10 | Buenos Aires | R32 | W | Ramiro Benavides | 140 | 6-1 7-6 |
| 1975-11-02 | Tokyo | QF | L | Ken Rosewall | 2 | 6-4 6-1 |
| 1975-11-02 | Tokyo | R16 | W | Jim Delaney | 177 | 6-1 6-3 |
| 1975-11-02 | Tokyo | R32 | W | Geoff Masters | 57 | 6-2 6-7 6-1 |
| 1975-10-27 | Manila | QF | L | Ken Rosewall | 2 | 6-2 6-4 |
| 1975-10-27 | Manila | R16 | W | Raul Ramirez | 14 | 6-4 6-0 |
| 1975-10-27 | Manila | R32 | W | Anand Amritraj | 81 | 6-0 6-3 |
| 1975-10-26 | Tehran | R64 | L | Martin Robinson | 205 | 6-3 7-6 |
| 1975-10-13 | Barcelona | R32 | L | Ilie Nastase | 8 | 6-3 6-3 |
| 1975-10-13 | Barcelona | R64 | W | Sashi Menon | 183 | 5-7 7-5 2-0 RET |
| 1975-10-12 | Madrid | R32 | L | Jan Kodes | 20 | 6-0 6-1 |
| 1975-10-12 | Madrid | R64 | W | Jose Moreno | 221 | 6-2 6-2 |
| 1975-09-29 | Kingston | RR | L | Belus Prajoux | 127 | 3-6 7-6 6-4 |
| 1975-08-27 | US Open | R32 | L | Manuel Orantes | 9 | 6-2 3-6 6-1 |
| 1975-08-27 | US Open | R64 | W | Lito Alvarez | 150 | 6-1 6-1 |
| 1975-08-27 | US Open | R128 | W | Belus Prajoux | 127 | 3-6 6-4 6-2 |
| 1975-08-18 | Boston | R64 | L | Bjorn Borg | 5 | 6-2 7-5 |
| 1975-08-12 | Columbus | R16 | L | Bernard Mitton | 150 | 6-4 6-2 |
| 1975-08-12 | Columbus | R32 | W | Haroon Rahim | 97 | 6-2 6-1 |
| 1975-08-04 | Indianapolis | R64 | L | Harald Elschenbroich | 85 | 6-2 6-4 |
| 1975-07-20 | Hilversum | R16 | L | Zeljko Franulovic | 111 | 6-0 6-2 |
| 1975-07-20 | Hilversum | R32 | W | Rolf Thung | 98 | 6-4 6-2 |
| 1975-07-07 | Gstaad | R32 | L | Gerald Battrick | 139 | 6-4 1-6 7-5 |
| 1975-06-23 | Wimbledon | R128 | L | Paul Kronk | 94 | 3-6 1-6 6-1 6-3 6-2 |
| 1975-05-25 | Rome | R32 | L | Corrado Barazzutti | 56 | W/O |
| 1975-05-25 | Rome | R64 | W | Roberto Lombardi | – | 6-2 6-7 6-2 |
| 1975-05-19 | Hamburg | R64 | L | Paul Kronk | 94 | 6-4 6-2 |
| 1975-05-16 | Davis Cup EUR QF: FRG vs SWE | RR | L | Bjorn Borg | 5 | 3-6 6-0 6-0 6-3 |
| 1975-05-16 | Davis Cup EUR QF: FRG vs SWE | RR | W | Birger Andersson | 105 | 1-6 6-0 6-3 6-0 |
| 1975-05-07 | Munich | QF | L | Ilie Nastase | 7 | 6-3 7-6 |
| 1975-05-07 | Munich | R16 | W | Joaquin Loyo Mayo | 110 | 6-2 6-0 |
| 1975-05-07 | Munich | R32 | W | Syd Ball | 95 | 7-6 6-0 |
| 1975-05-02 | Davis Cup EUR PR: FRG vs SUI | RR | W | Dimitri Sturdza | 214 | 4-6 6-4 6-2 6-0 |
| 1975-04-11 | Johannesburg - WCT | R16 | L | Tom Okker | 9 | 6-2 6-1 |
| 1975-04-11 | Johannesburg - WCT | R32 | W | Dick Dell | 108 | 6-3 6-4 |
| 1975-03-23 | Monte Carlo WCT | R32 | L | Dick Crealy | 58 | 6-2 7-5 |
| 1975-03-10 | Munich WCT | R16 | L | Arthur Ashe | 7 | 6-1 6-3 |
| 1975-03-10 | Munich WCT | R32 | W | Sherwood Stewart | 67 | 7-5 1-0 RET |