40–70Menang–Kalah
36.4%% Menang
0Gelar
| Lapangan | W | L | % |
|---|---|---|---|
| Clay | 26 | 47 | 35.6% |
| Carpet | 6 | 8 | 42.9% |
| Hard | 4 | 9 | 30.8% |
| Grass | 4 | 6 | 40.0% |
Musim per musim
| Tahun | W | L | Gelar | % |
|---|---|---|---|---|
| 1981 | 0 | 1 | 0 | 0.0% |
| 1978 | 0 | 4 | 0 | 0.0% |
| 1977 | 20 | 23 | 0 | 46.5% |
| 1976 | 5 | 12 | 0 | 29.4% |
| 1975 | 4 | 14 | 0 | 22.2% |
| 1974 | 2 | 5 | 0 | 28.6% |
| 1973 | 5 | 6 | 0 | 45.5% |
| 1972 | 3 | 3 | 0 | 50.0% |
| 1971 | 1 | 2 | 0 | 33.3% |
Riwayat peringkat
Pertandingan
| Tanggal | Turnamen | Babak | W/L | Lawan | Rank lawan | Skor |
|---|---|---|---|---|---|---|
| 1981-04-27 | Berlin CH | R32 | L | Erick Iskersky | 302 | 6-4 6-2 |
| 1978-07-24 | Kitzbuhel | R32 | L | Werner Zirngibl | 120 | 6-2 6-0 |
| 1978-04-03 | Johannesburg | R32 | L | Cliff Richey | 66 | 6-3 6-1 |
| 1978-03-12 | Cairo | R16 | L | George Hardie | 93 | 6-3 6-4 |
| 1978-03-05 | Lagos | R32 | L | Peter Pearson | 187 | 6-3 RET |
| 1977-12-29 | Zurich | SF | L | Jacek Niedzwiedzki | 172 | 3-6 6-1 6-3 |
| 1977-12-29 | Zurich | QF | W | Eric Deblicker | 93 | 6-3 7-6 |
| 1977-12-29 | Zurich | R16 | W | Reinhart Probst | 281 | 6-3 7-5 |
| 1977-12-29 | Zurich | R32 | W | Louk Sanders | 95 | 6-4 3-6 6-2 |
| 1977-09-19 | Paris | R32 | L | Hans Gildemeister | 50 | 6-2 6-4 |
| 1977-08-31 | US Open | R128 | L | Adriano Panatta | 23 | 6-4 6-3 |
| 1977-08-23 | Boston | R32 | L | Roscoe Tanner | 11 | 6-0 6-1 |
| 1977-08-23 | Boston | R64 | W | Keith Richardson | 70 | 7-6 7-5 |
| 1977-08-16 | Toronto | R32 | L | Jeff Borowiak | 31 | 4-6 6-2 6-2 |
| 1977-08-16 | Toronto | R64 | W | Alvaro Fillol | 157 | 7-6 7-5 |
| 1977-08-08 | Columbus | R64 | L | Kim Warwick | 39 | 6-3 2-6 6-3 |
| 1977-07-31 | North Conway | R64 | L | Kim Warwick | 39 | 4-6 7-6 7-6 |
| 1977-07-25 | Louisville | R64 | L | Guillermo Vilas | 4 | 4-6 6-2 6-3 |
| 1977-07-18 | Washington | R64 | L | Phil Dent | 22 | 7-5 6-2 |
| 1977-07-03 | Gstaad | SF | L | Jean Francois Caujolle | 101 | 6-3 6-3 |
| 1977-07-03 | Gstaad | QF | W | Victor Pecci | 39 | 6-1 4-6 7-5 |
| 1977-07-03 | Gstaad | R16 | W | Colin Dibley | 46 | 6-4 7-6 |
| 1977-07-03 | Gstaad | R32 | W | Christophe Casa | 179 | 6-3 6-4 |
| 1977-06-20 | Wimbledon | R128 | L | Douglas Palm | 166 | 6-3 6-4 6-1 |
| 1977-06-13 | Berlin | R32 | L | Jurgen Fassbender | 63 | 6-2 6-2 |
| 1977-06-06 | Brussels | R64 | L | Barry Phillips Moore | 126 | 6-3 6-1 |
| 1977-05-23 | Roland Garros | R128 | L | Francois Jauffret | 48 | 2-6 0-6 6-2 7-6 6-2 |
| 1977-05-16 | Rome | R64 | L | Tom Gullikson | 58 | 7-5 6-3 |
| 1977-05-09 | Hamburg | R64 | L | Karl Meiler | 53 | 3-6 7-5 6-3 |
| 1977-04-26 | Munich | R16 | L | Zeljko Franulovic | 46 | 6-3 3-6 6-3 |
| 1977-04-26 | Munich | R32 | W | Francois Jauffret | 31 | 3-6 6-2 6-3 |
| 1977-04-11 | Murcia | SF | L | Buster C Mottram | 37 | 6-0 6-3 |
| 1977-04-11 | Murcia | QF | W | Francois Jauffret | 30 | 3-6 6-4 6-4 |
| 1977-04-11 | Murcia | R16 | W | Pat Dupre | 99 | 6-3 6-4 |
| 1977-04-11 | Murcia | R32 | W | Christophe Casa | 235 | 1-6 6-3 7-5 |
| 1977-03-21 | Cairo | F | L | Francois Jauffret | 28 | 6-3 7-5 6-4 |
| 1977-03-21 | Cairo | SF | W | Cliff Letcher | 131 | 6-3 4-6 6-4 |
| 1977-03-21 | Cairo | QF | W | Brian Fairlie | 36 | 6-2 0-6 6-4 |
| 1977-03-21 | Cairo | R16 | W | Patrick Proisy | 104 | 6-2 3-6 7-6 |
| 1977-03-08 | Hampton | R16 | L | Sandy Mayer | 43 | 6-0 6-2 |
| 1977-03-08 | Hampton | R32 | W | Hank Pfister | 69 | 6-4 7-6 |
| 1977-02-28 | Memphis | R32 | L | Sandy Mayer | 43 | 6-2 6-3 |
| 1977-02-28 | Memphis | R64 | W | Jaime Fillol | 22 | 6-4 7-5 |
| 1977-02-07 | Springfield | R16 | L | Haroon Rahim | 53 | 6-3 3-6 7-5 |
| 1977-02-07 | Springfield | R32 | W | Jan Norback | 201 | 7-5 6-4 |
| 1977-02-02 | Dayton | QF | L | Jeff Borowiak | 52 | 7-6 6-3 |
| 1977-02-02 | Dayton | R16 | W | Teimuraz Kakulia | – | 7-6 6-4 |
| 1977-02-02 | Dayton | R32 | W | Jun Kuki | 83 | 2-6 6-4 6-1 |
| 1976-11-23 | Johannesburg - WCT | R64 | L | Byron Bertram | 82 | 6-1 6-2 |
| 1976-11-15 | Sao Paulo | R16 | L | Ricardo Cano | 49 | 7-6 1-6 6-4 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0