100–150Win–Loss
40.0%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Clay | 46 | 71 | 39.3% |
| Hard | 27 | 42 | 39.1% |
| Carpet | 12 | 17 | 41.4% |
| Grass | 11 | 15 | 42.3% |
| Unknown | 4 | 5 | 44.4% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 1983 | 1 | 1 | 0 | 50.0% |
| 1982 | 1 | 1 | 0 | 50.0% |
| 1981 | 0 | 3 | 0 | 0.0% |
| 1980 | 6 | 13 | 0 | 31.6% |
| 1979 | 7 | 14 | 0 | 33.3% |
| 1978 | 13 | 23 | 0 | 36.1% |
| 1977 | 16 | 25 | 0 | 39.0% |
| 1976 | 11 | 17 | 0 | 39.3% |
| 1975 | 9 | 24 | 0 | 27.3% |
| 1974 | 24 | 15 | 0 | 61.5% |
| 1973 | 7 | 4 | 0 | 63.6% |
| 1972 | 2 | 3 | 0 | 40.0% |
| 1971 | 1 | 2 | 0 | 33.3% |
| 1969 | 2 | 2 | 0 | 50.0% |
| 1968 | 0 | 3 | 0 | 0.0% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 1983-04-04 | Johannesburg CH | R32 | L | Peter Rennert | 115 | 6-7 6-4 6-4 |
| 1983-04-04 | Johannesburg CH | R64 | W | Stewart Osborne | 669 | 6-3 6-0 |
| 1982-04-04 | Johannesburg CH | R32 | L | Tian C Viljoen | – | 6-1 7-6 |
| 1982-04-04 | Johannesburg CH | R64 | W | Chris Louw | – | 6-0 6-4 |
| 1981-07-20 | Washington | R64 | L | Jose Luis Clerc | 5 | 6-4 6-2 |
| 1981-05-11 | Hamburg | R64 | L | Fernando Luna | 99 | 4-6 6-3 6-3 |
| 1981-04-06 | Johannesburg | R32 | L | George Rudman | 662 | 1-6 6-3 6-3 |
| 1980-09-22 | Bordeaux | R32 | L | Mario Martinez | 44 | 5-7 6-4 6-4 |
| 1980-09-08 | Bournemouth | R32 | L | Stefan Simonsson | 86 | 6-1 5-7 7-5 |
| 1980-08-26 | US Open | R128 | L | Pascal Portes | 65 | 6-2 6-4 6-2 |
| 1980-08-11 | Cleveland | R32 | L | Fernando Maynetto | 175 | 6-4 6-3 |
| 1980-08-04 | Colombus | R32 | L | Gene Stuart Malin | 161 | 3-6 6-2 7-6 |
| 1980-07-27 | North Conway | R64 | L | Mike Cahill | 92 | 6-3 6-2 |
| 1980-07-14 | Stuttgart Outdoor | R32 | L | Wojtek Fibak | 14 | 6-3 6-3 |
| 1980-06-23 | Wimbledon | R128 | L | Heinz Gunthardt | 32 | 7-5 6-3 7-6 |
| 1980-06-02 | Cuneo CH | R16 | L | Werner Zirngibl | 169 | 0-6 6-1 6-1 |
| 1980-06-02 | Cuneo CH | R32 | W | Hans Kary | 100 | 6-4 3-6 6-2 |
| 1980-05-26 | Roland Garros | R64 | L | Raul Ramirez | 28 | 6-4 7-5 6-0 |
| 1980-05-26 | Roland Garros | R128 | W | Stefan Simonsson | 83 | 6-2 6-1 6-1 |
| 1980-05-12 | Hamburg | QF | L | Eliot Teltscher | 22 | 6-3 6-4 |
| 1980-05-12 | Hamburg | R16 | W | Chris Lewis | 65 | 6-2 7-6 |
| 1980-05-12 | Hamburg | R32 | W | Heinz Gildemeister | 377 | 6-3 6-2 |
| 1980-05-12 | Hamburg | R64 | W | Damir Keretic | 400 | 3-6 6-2 6-3 |
| 1980-04-08 | Johannesburg | R32 | L | Carlos Kirmayr | 54 | 6-2 6-3 |
| 1980-02-11 | Sarasota | R16 | L | Jose Higueras | 7 | 6-0 6-3 |
| 1980-02-11 | Sarasota | R32 | W | Toby Crabel | 400 | 6-1 2-6 7-5 |
| 1979-09-24 | Madrid | R64 | L | Louk Sanders | 99 | 6-0 6-2 |
| 1979-09-17 | Palermo | R32 | L | Buster C Mottram | 39 | 6-2 6-0 |
| 1979-08-20 | Boston | R64 | L | Jan Kodes | 69 | 7-6 3-6 6-3 |
| 1979-08-13 | Cleveland | QF | L | Ilie Nastase | 23 | 7-5 6-4 |
| 1979-08-13 | Cleveland | R16 | W | Robin Drysdale | 158 | 7-5 6-4 |
| 1979-08-13 | Cleveland | R32 | W | Tom Gorman | 68 | 6-4 6-4 |
| 1979-08-06 | Colombus | R16 | L | Brian Gottfried | 13 | 6-2 6-0 |
| 1979-08-06 | Colombus | R32 | W | Rocky Maguire | 328 | 6-1 7-6 |
| 1979-07-29 | North Conway | R64 | L | Ivan Molina | 96 | 6-4 6-3 |
| 1979-07-23 | Kitzbuhel | R32 | L | Pavel Slozil | 96 | 4-6 7-6 7-6 |
| 1979-07-16 | Stuttgart Outdoor | R16 | L | Rolf Gehring | 56 | 6-4 6-7 6-4 |
| 1979-07-16 | Stuttgart Outdoor | R32 | W | Fernando Dalla Fontana | 241 | 6-4 5-7 7-6 |
| 1979-06-25 | Wimbledon | R128 | L | Jose Higueras | 10 | 6-2 7-5 5-7 3-6 6-4 |
| 1979-06-04 | Galatina CH | R32 | L | Leo Palin | 236 | 7-5 1-6 5-0 RET |
| 1979-05-28 | Roland Garros | R64 | L | Stan Smith | 31 | 6-0 6-2 6-1 |
| 1979-05-28 | Roland Garros | R128 | W | Russell Simpson | 108 | 3-6 6-1 5-7 6-2 6-3 |
| 1979-05-14 | Hamburg | R16 | L | Tomas Smid | 47 | 6-2 6-4 |
| 1979-05-14 | Hamburg | R32 | W | Angel Gimenez | 83 | 3-6 6-3 6-2 |
| 1979-05-14 | Hamburg | R64 | W | Reinhart Probst | 323 | 6-3 7-6 |
| 1979-04-16 | Johannesburg | R32 | L | Andrew Pattison | 54 | 6-3 4-6 6-2 |
| 1979-02-12 | Sarasota | R32 | L | Bruce Kleege | 148 | 6-4 6-4 |
| 1978-12-04 | Johannesburg | R16 | L | Peter Fleming | 27 | 6-7 6-4 6-2 |
| 1978-12-04 | Johannesburg | R32 | W | George Hardie | 143 | 6-2 6-3 |
| 1978-09-25 | Lincoln CH | R64 | L | Charles Buzz Strode | 253 | 6-3 7-6 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0