132–184Win–Loss
41.8%Win %
1Titles
| Surface | W | L | % |
|---|---|---|---|
| Clay | 63 | 97 | 39.4% |
| Hard | 47 | 45 | 51.1% |
| Grass | 10 | 22 | 31.3% |
| Carpet | 2 | 18 | 10.0% |
| Unknown | 10 | 2 | 83.3% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 1986 | 1 | 1 | 0 | 50.0% |
| 1985 | 3 | 13 | 0 | 18.8% |
| 1984 | 10 | 26 | 0 | 27.8% |
| 1983 | 23 | 13 | 0 | 63.9% |
| 1982 | 6 | 6 | 0 | 50.0% |
| 1980 | 1 | 13 | 0 | 7.1% |
| 1979 | 12 | 17 | 0 | 41.4% |
| 1978 | 20 | 22 | 0 | 47.6% |
| 1977 | 9 | 13 | 0 | 40.9% |
| 1976 | 16 | 26 | 0 | 38.1% |
| 1975 | 22 | 24 | 1 | 47.8% |
| 1974 | 4 | 4 | 0 | 50.0% |
| 1973 | 4 | 5 | 0 | 44.4% |
| 1972 | 1 | 1 | 0 | 50.0% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 1977-05-16 | Rome | R64 | L | Jan Kodes | 23 | 7-5 5-7 6-1 |
| 1977-05-09 | Hamburg | QF | L | Paolo Bertolucci | 40 | 6-0 4-6 7-5 |
| 1977-05-09 | Hamburg | R16 | W | Phil Dent | 32 | 7-6 3-6 10-8 |
| 1977-05-09 | Hamburg | R32 | W | Rolf Norberg | 108 | 2-6 7-5 6-1 |
| 1977-05-09 | Hamburg | R64 | W | Jose Higueras | 30 | 3-6 6-3 6-4 |
| 1977-04-26 | Munich | R16 | L | Jose Higueras | 34 | 5-6 |
| 1977-04-26 | Munich | R32 | W | Jean Louis Haillet | 116 | 7-6 6-4 |
| 1977-03-08 | Johannesburg | R16 | L | Roger Taylor | 81 | 6-4 6-2 |
| 1977-03-08 | Johannesburg | R32 | W | Bob Carmichael | 134 | 6-4 6-3 |
| 1976-11-23 | Johannesburg - WCT | R64 | L | Martin Robinson | 127 | 6-4 6-2 |
| 1976-11-07 | Stockholm | R32 | L | Manuel Orantes | 5 | 6-2 3-6 6-1 |
| 1976-11-07 | Stockholm | R64 | W | Per Hjertquist | – | 6-3 6-3 |
| 1976-11-01 | Cologne | R16 | L | Harold Solomon | 12 | 7-6 6-2 |
| 1976-11-01 | Cologne | R32 | W | Tomas Smid | 159 | 3-6 7-6 7-6 |
| 1976-10-25 | Vienna | R32 | L | Vladimir Zednik | 148 | 6-4 6-4 |
| 1976-10-04 | Maui | R32 | L | Arthur Ashe | 2 | 6-3 6-4 |
| 1976-10-04 | Maui | R64 | W | Haroon Rahim | 63 | 7-6 6-3 |
| 1976-09-27 | San Francisco | R64 | L | Marty Riessen | 58 | 6-3 6-2 |
| 1976-09-24 | Davis Cup EUR PR: SUI vs RHO | RR | W | Heinz Gunthardt | 210 | 0-6 9-7 6-2 6-3 |
| 1976-09-24 | Davis Cup EUR PR: SUI vs RHO | RR | W | Max Hurlimann | – | 7-5 7-5 0-6 6-3 |
| 1976-09-13 | Bermuda | R16 | L | Gene Mayer | 159 | 6-3 6-3 |
| 1976-09-13 | Bermuda | R32 | W | Terry Ryan | 326 | 6-1 6-2 |
| 1976-09-01 | US Open | R16 | L | Eddie Dibbs | 8 | 6-2 6-4 6-2 |
| 1976-09-01 | US Open | R32 | W | Bob Lutz | 18 | 7-6 6-2 |
| 1976-09-01 | US Open | R64 | W | Raul Ramirez | 10 | 6-4 6-4 |
| 1976-09-01 | US Open | R128 | W | Brian Fairlie | 88 | 6-0 6-4 |
| 1976-08-23 | South Orange | R32 | L | Vijay Amritraj | 23 | 7-6 6-3 |
| 1976-08-17 | Toronto | R64 | L | Onny Parun | 29 | 1-6 6-3 6-2 |
| 1976-08-09 | Indianapolis | R64 | L | Thomaz Koch | 43 | 6-3 7-5 |
| 1976-08-08 | North Conway | R32 | L | Ricardo Cano | 49 | 7-5 6-2 |
| 1976-08-08 | North Conway | R64 | W | Geoff Masters | 53 | 7-5 3-6 6-3 |
| 1976-08-02 | Louisville | R64 | L | John Bartlett | 136 | 6-2 6-0 |
| 1976-07-04 | Gstaad | R32 | L | Jeff Borowiak | 42 | 6-7 6-3 6-4 |
| 1976-06-21 | Wimbledon | R128 | L | Steve Krulevitz | 107 | 3-6 6-3 6-2 8-6 |
| 1976-06-15 | Nottingham | R32 | L | Sherwood Stewart | 67 | 6-1 6-3 |
| 1976-06-15 | Nottingham | R64 | W | Jim Mcmanus | 105 | 6-4 6-0 |
| 1976-05-31 | Roland Garros | R128 | L | Balazs Taroczy | 69 | 6-2 2-6 7-5 6-2 |
| 1976-05-24 | Rome | R32 | L | Onny Parun | 26 | 6-3 6-7 6-2 |
| 1976-05-24 | Rome | R64 | W | Patricio Cornejo | 138 | 6-3 5-7 6-3 |
| 1976-05-17 | Hamburg | R32 | L | Balazs Taroczy | 69 | 6-3 6-2 |
| 1976-05-17 | Hamburg | R64 | W | Ismail El Shafei | 65 | 6-1 7-5 |
| 1976-05-10 | Bournemouth | R64 | L | Francois Jauffret | 39 | 5-7 6-4 6-3 |
| 1976-05-04 | Munich | R32 | L | Birger Andersson | 95 | 6-3 6-2 |
| 1976-04-04 | Nice | R16 | L | Jean Louis Haillet | 222 | 6-1 1-6 6-3 |
| 1976-04-04 | Nice | R32 | W | Jose Higueras | 46 | 7-5 6-1 |
| 1976-04-04 | Nice | R64 | W | Denis Naegelen | 148 | 6-4 6-7 8-6 |
| 1976-04-04 | Barcelona | R64 | L | John Andrews | 70 | 6-7 7-6 8-6 |
| 1976-03-28 | Valencia | R32 | L | Juan Gisbert | 41 | 6-2 3-6 6-3 |
| 1976-03-28 | Valencia | R64 | W | Belus Prajoux | 138 | 6-3 3-6 12-10 |
| 1976-03-08 | Nuremberg | R32 | L | Sashi Menon | 88 | 6-4 6-1 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0