25–77Win–Loss
24.5%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Clay | 10 | 39 | 20.4% |
| Carpet | 7 | 11 | 38.9% |
| Hard | 4 | 13 | 23.5% |
| Grass | 3 | 9 | 25.0% |
| Unknown | 1 | 5 | 16.7% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 1980 | 0 | 1 | 0 | 0.0% |
| 1979 | 1 | 4 | 0 | 20.0% |
| 1978 | 2 | 5 | 0 | 28.6% |
| 1977 | 2 | 5 | 0 | 28.6% |
| 1976 | 3 | 19 | 0 | 13.6% |
| 1975 | 11 | 30 | 0 | 26.8% |
| 1974 | 6 | 9 | 0 | 40.0% |
| 1973 | 0 | 1 | 0 | 0.0% |
| 1972 | 0 | 1 | 0 | 0.0% |
| 1970 | 0 | 1 | 0 | 0.0% |
| 1968 | 0 | 1 | 0 | 0.0% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 1980-07-21 | Hilversum | R32 | L | Christophe Roger Vasselin | 89 | 6-2 6-4 |
| 1979-09-14 | Davis Cup EUR PR: NED vs DEN | RR | W | Michael Mortensen | – | 7-5 3-6 7-5 9-7 |
| 1979-09-14 | Davis Cup EUR PR: NED vs DEN | RR | L | Lars Elvstrom | 272 | 6-1 6-4 6-1 |
| 1979-08-06 | Ribeiro Preto CH | R64 | L | Alvaro Betancur | 184 | 6-3 6-1 |
| 1979-07-29 | Salvador CH | R64 | L | Noel Freitas | – | 2-6 6-4 6-4 |
| 1979-07-23 | Porto Alegre CH | R64 | L | John Benson | 465 | 6-3 4-6 6-4 |
| 1978-09-24 | Bournemouth | R32 | L | Peter Elter | 83 | 6-4 9-7 |
| 1978-09-15 | Davis Cup EUR PR: NED vs NOR | RR | W | John Erik Rustad | – | 6-3 6-3 6-3 |
| 1978-09-15 | Davis Cup EUR PR: NED vs NOR | RR | L | Per Hegna | 397 | 6-8 7-5 6-2 6-2 |
| 1978-07-24 | Hilversum | R32 | L | Bob Carmichael | 182 | 6-4 5-7 6-2 |
| 1978-07-17 | Stuttgart Outdoor | R32 | L | Kim Warwick | 42 | 6-4 7-5 |
| 1978-07-10 | Gstaad | R16 | L | Heinz Gunthardt | 66 | 6-3 7-5 |
| 1978-07-10 | Gstaad | R32 | W | Roland Stadler | – | 6-2 6-4 |
| 1977-12-29 | Zurich | R16 | L | Eric Deblicker | 93 | 2-6 6-3 7-6 |
| 1977-12-29 | Zurich | R32 | W | Peter Kanderal | 281 | 7-5 6-2 |
| 1977-07-12 | Hilversum | R32 | L | Onny Parun | 91 | 7-5 6-1 |
| 1977-06-20 | Wimbledon | R128 | L | Lito Alvarez | 128 | 6-4 4-6 6-3 6-3 |
| 1977-06-06 | Nottingham | R32 | L | Dick Bohrnstedt | 100 | 8-6 6-3 |
| 1977-06-06 | Nottingham | R64 | W | Buster C Mottram | 29 | 6-4 7-5 |
| 1977-02-21 | Palm Springs | R64 | L | Steve Krulevitz | 87 | 7-5 6-2 |
| 1976-11-22 | Bangalore | R32 | L | John Bartlett | 136 | 6-3 6-3 |
| 1976-11-07 | Hong Kong | R16 | L | Paul Kronk | 91 | W/O |
| 1976-11-07 | Hong Kong | R32 | W | Cliff Letcher | 148 | 6-4 3-6 6-3 |
| 1976-11-01 | Tokyo Outdoor | R64 | L | Russell Simpson | 140 | 7-6 7-6 |
| 1976-10-25 | Perth | R16 | L | Roscoe Tanner | 13 | 6-2 6-4 |
| 1976-10-25 | Perth | R32 | W | John Marks | 272 | 6-4 1-6 6-2 |
| 1976-10-18 | Sydney Indoor | R64 | L | Gene Mayer | 159 | 6-3 6-4 |
| 1976-10-11 | Brisbane | R32 | L | Tom Gorman | 34 | 5-7 6-3 6-4 |
| 1976-10-04 | Tehran | R64 | L | Deon Joubert | 272 | 6-4 6-2 |
| 1976-09-16 | Newport | R16 | L | John James | 131 | 7-6 6-7 6-3 |
| 1976-09-01 | US Open | R128 | L | Alex Metreveli | 47 | 6-1 6-3 |
| 1976-08-23 | Boston | R64 | L | Jiri Hrebec | 56 | 6-4 6-1 |
| 1976-08-08 | North Conway | R64 | L | Barry Phillips Moore | 102 | 7-6 1-6 6-2 |
| 1976-07-13 | Hilversum | R32 | W | Bob Hewitt | 58 | 2-6 6-1 7-5 |
| 1976-07-13 | Hilversum | R16 | L | Manuel Santana | 168 | 6-4 6-3 |
| 1976-07-04 | Bastad | R64 | L | Corrado Barazzutti | 21 | 7-5 6-1 |
| 1976-06-21 | Wimbledon | R128 | L | Jaime Fillol | 15 | 6-1 6-2 6-3 |
| 1976-04-04 | Barcelona | R64 | L | Denis Naegelen | 148 | 6-1 7-5 |
| 1976-03-28 | Valencia | R64 | L | Ionel Santeiu | 308 | 6-3 6-2 |
| 1976-03-08 | Nuremberg | R32 | L | Herve Gauvain | 373 | 5-7 6-4 7-6 |
| 1976-03-01 | Basel | R16 | L | Karl Meiler | 31 | 6-4 7-6 |
| 1976-02-23 | Rotterdam WCT | R16 | L | Rod Laver | 10 | 6-1 6-2 |
| 1975-11-17 | Calcutta | R32 | L | Juan Gisbert | 33 | 6-3 6-0 |
| 1975-11-10 | Hong Kong | R32 | L | Ken Rosewall | 2 | 6-0 6-1 |
| 1975-11-02 | Tokyo | R16 | L | Ken Rosewall | 2 | 6-2 6-3 |
| 1975-11-02 | Tokyo | R32 | W | Jun Kuki | 107 | 6-4 7-6 |
| 1975-10-26 | Perth | R16 | L | Harold Solomon | 15 | 7-5 6-1 |
| 1975-10-26 | Perth | R32 | W | Jun Kuki | 107 | 6-3 6-0 |
| 1975-10-19 | Sydney Indoor | R64 | L | Tom Gorman | 49 | 6-4 3-6 6-3 |
| 1975-10-06 | Melbourne Indoor | R16 | L | Harold Solomon | 15 | 6-1 7-5 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0