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 |
|---|---|---|---|---|---|---|
| 1979-06-18 | Berlin | R16 | L | Carlos Kirmayr | 56 | 2-6 6-2 6-2 |
| 1979-06-18 | Berlin | R32 | W | Angel Gimenez | 95 | 6-3 3-6 6-2 |
| 1978-07-24 | Kitzbuhel | R32 | L | Zeljko Franulovic | 37 | 6-2 6-2 |
| 1978-07-17 | Stuttgart Outdoor | R16 | L | Kim Warwick | 42 | 6-4 7-6 |
| 1978-07-17 | Stuttgart Outdoor | R32 | W | Andreas Maurer | 207 | 6-3 4-6 6-2 |
| 1978-06-19 | Berlin | QF | L | Peter Elter | 156 | 6-3 6-1 |
| 1978-06-19 | Berlin | R16 | W | John Yuill | 96 | 7-5 6-3 |
| 1978-06-19 | Berlin | R32 | W | Ulrich Pinner | 76 | 6-2 2-6 6-3 |
| 1978-05-15 | Hamburg | R64 | L | Vladimir Zednik | 73 | 6-2 6-3 |
| 1977-11-14 | Manila | R16 | L | Dick Crealy | 69 | 6-0 7-6 |
| 1977-11-14 | Manila | R32 | W | Jacques Thamin | 246 | 6-4 7-6 |
| 1977-11-07 | Hong Kong | R32 | L | Colin Dibley | 34 | 6-2 6-0 |
| 1977-10-31 | Tokyo Outdoor | R64 | L | Kim Warwick | 44 | 6-4 6-0 |
| 1977-10-03 | Tehran | R64 | L | Ion Tiriac | 173 | 6-1 6-4 |
| 1977-09-19 | Paris | R32 | L | Paolo Bertolucci | 28 | 6-0 6-2 |
| 1976-11-15 | Manila | QF | L | Ray Ruffels | 61 | 6-3 6-2 |
| 1976-11-15 | Manila | R16 | W | Tim Gullikson | 114 | 6-3 6-3 |
| 1976-11-15 | Manila | R32 | W | Hank Pfister | 221 | 7-6 6-2 |
| 1976-11-07 | Hong Kong | QF | L | James Chico Hagey | 199 | 7-6 6-3 |
| 1976-11-07 | Hong Kong | R16 | W | Tim Gullikson | 114 | 6-0 6-1 |
| 1976-11-07 | Hong Kong | R32 | W | John Bartlett | 136 | 7-6 7-5 |
| 1976-11-07 | Hong Kong | R64 | W | Doug Crawford | 237 | 6-3 6-2 |
| 1976-11-01 | Tokyo Outdoor | R64 | L | Brian Fairlie | 88 | 6-4 6-0 |
| 1976-10-18 | Barcelona | R64 | L | Jose Edison Mandarino | 114 | 6-3 6-7 6-3 |
| 1976-10-04 | Tehran | QF | L | Guillermo Vilas | 3 | 6-4 6-1 |
| 1976-10-04 | Tehran | R16 | W | Antonio Munoz | 95 | 7-5 3-6 6-4 |
| 1976-10-04 | Tehran | R32 | W | Juan Ignacio Muntanola | 136 | 6-3 7-5 |
| 1976-10-04 | Tehran | R64 | W | Ismail El Shafei | 98 | 7-5 7-6 |
| 1976-09-20 | Los Angeles | R64 | L | Sandy Mayer | 28 | 3-2 RET |
| 1976-09-01 | US Open | R64 | L | Ilie Nastase | 7 | 7-6 4-6 7-6 |
| 1976-09-01 | US Open | R128 | W | Erik Van Dillen | 93 | 7-6 6-3 |
| 1976-08-23 | Boston | R32 | L | Bjorn Borg | 4 | 6-2 6-1 |
| 1976-08-23 | Boston | R64 | W | Terry Ryan | 326 | 6-4 7-5 |
| 1976-08-17 | Toronto | R16 | L | Wojtek Fibak | 32 | 6-1 7-5 |
| 1976-08-17 | Toronto | R32 | W | Juan Gisbert | 45 | 6-1 6-1 |
| 1976-08-17 | Toronto | R64 | W | John Newcombe | 16 | 7-6 6-4 |
| 1976-08-09 | Indianapolis | R32 | L | Francois Jauffret | 35 | 1-6 6-2 6-3 |
| 1976-08-09 | Indianapolis | R64 | W | Trey Waltke | 117 | 6-4 6-2 |
| 1976-07-18 | Kitzbuhel | SF | L | Jan Kodes | 25 | 6-0 7-6 |
| 1976-07-18 | Kitzbuhel | QF | W | Jean Louis Haillet | 158 | 6-3 7-5 |
| 1976-07-18 | Kitzbuhel | R16 | W | Arthur Ashe | 2 | 6-4 6-3 |
| 1976-07-18 | Kitzbuhel | R32 | W | John Yuill | 154 | 6-1 7-6 |
| 1976-07-04 | Gstaad | R16 | L | Paolo Bertolucci | 70 | 5-7 6-3 6-4 |
| 1976-07-04 | Gstaad | R32 | W | Patrice Hagelauer | 190 | 2-6 6-3 7-5 |
| 1976-07-04 | Gstaad | R64 | W | J Fairchild | – | 6-2 6-1 |
| 1976-06-21 | Wimbledon | R64 | L | Carlos Kirmayr | 138 | 8-6 6-3 6-3 |
| 1976-06-21 | Wimbledon | R128 | W | Buster C Mottram | 40 | 9-8 6-1 RET |
| 1976-06-14 | Berlin | F | L | Victor Pecci | 55 | 6-1 6-2 5-7 6-3 |
| 1976-06-14 | Berlin | SF | W | Ricardo Cano | 49 | 6-3 6-3 6-4 |
| 1976-06-14 | Berlin | QF | W | Werner Zirngibl | 123 | 6-7 7-5 6-2 |