75–37Win–Loss
67.0%Win %
1Titles
| Surface | W | L | % |
|---|---|---|---|
| Clay | 37 | 23 | 61.7% |
| Unknown | 24 | 5 | 82.8% |
| Hard | 9 | 4 | 69.2% |
| Grass | 3 | 4 | 42.9% |
| Carpet | 2 | 1 | 66.7% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 1973 | 2 | 2 | 0 | 50.0% |
| 1972 | 6 | 6 | 0 | 50.0% |
| 1971 | 6 | 6 | 0 | 50.0% |
| 1970 | 16 | 8 | 1 | 66.7% |
| 1969 | 10 | 6 | 0 | 62.5% |
| 1968 | 35 | 9 | 0 | 79.5% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 1973-07-09 | Dusseldorf | QF | L | Jurgen Fassbender | – | 6-2 6-4 6-2 |
| 1973-07-09 | Dusseldorf | R16 | W | Allan McDonald | – | 6-4 8-6 7-5 |
| 1973-06-11 | Hamburg | R32 | L | Bernard Mignot | – | 6-3 3-6 6-2 |
| 1973-06-11 | Hamburg | R64 | W | Torben Ulrich | – | 5-7 6-4 6-4 |
| 1972-10-29 | Essen WCT | QF | L | Cliff Richey | – | 6-1 6-2 |
| 1972-10-29 | Essen WCT | R16 | W | Mark Cox | – | 7-6 6-4 |
| 1972-10-29 | Essen WCT | R32 | W | Gerald Battrick | – | 6-4 6-4 |
| 1972-07-25 | Dusseldorf | QF | L | Ion Tiriac | – | 6-0 5-7 6-2 3-6 6-3 |
| 1972-07-25 | Dusseldorf | R16 | W | Jorgen Ulrich | – | 7-5 6-3 6-3 |
| 1972-07-22 | Kitzbuhel | R32 | L | Dick Crealy | – | 7-6 3-6 6-3 6-4 |
| 1972-07-16 | Gstaad | R16 | L | Ion Tiriac | – | 6-2 RET |
| 1972-07-16 | Gstaad | R32 | W | Dick Bohrnstedt | – | 7-5 6-3 |
| 1972-06-26 | Wimbledon | R32 | L | Onny Parun | – | 6-4 4-6 9-7 9-7 |
| 1972-06-26 | Wimbledon | R64 | W | John Cooper | – | 5-7 6-4 0-6 6-2 6-3 |
| 1972-06-26 | Wimbledon | R128 | W | Ezio Di Matteo | – | 6-3 1-6 4-6 6-4 6-3 |
| 1972-06-05 | Hamburg | R64 | L | Antonio Zugarelli | – | 5-7 6-2 6-4 6-4 |
| 1971-07-16 | Davis Cup EUR F: ROU vs FRG | RR | L | Peter Marmureanu | – | 6-1 7-5 6-1 |
| 1971-07-16 | Davis Cup EUR F: ROU vs FRG | RR | L | Ilie Nastase | – | 6-2 6-3 6-2 |
| 1971-07-05 | Munich | R16 | L | Hans Jurgen Pohmann | – | 6-4 6-4 6-3 |
| 1971-07-05 | Munich | R32 | W | Helmut Fickentscher | – | 6-1 6-3 6-2 |
| 1971-06-10 | Davis Cup EUR SF: FRG vs HUN | RR | W | Istvan Gulyas | – | 6-3 6-4 7-5 |
| 1971-06-10 | Davis Cup EUR SF: FRG vs HUN | RR | W | Szabolcz Baranyi | – | 5-7 6-3 6-3 6-3 |
| 1971-05-24 | Berlin | R16 | L | Frank Falderbaum | – | 6-0 6-1 6-2 |
| 1971-05-24 | Berlin | R32 | W | Lothar Lanz | – | 6-4 8-6 6-1 |
| 1971-05-17 | Hamburg | R64 | L | Peter Szoke | – | W/O |
| 1971-05-14 | Davis Cup EUR QF: FRG vs AUT | RR | W | Hans Kary | – | 6-3 3-6 6-3 2-6 7-5 |
| 1971-05-14 | Davis Cup EUR QF: FRG vs AUT | RR | W | Peter Pokorny | – | 5-7 1-6 7-5 8-6 6-2 |
| 1971-04-05 | Monte Carlo | R32 | L | Patrice Dominguez | – | 6-1 5-7 7-5 |
| 1970-09-02 | US Open | R64 | L | Roy Emerson | – | 6-3 6-3 6-2 |
| 1970-09-02 | US Open | R128 | W | Ian Crookenden | – | 4-6 6-4 6-3 6-7 6-3 |
| 1970-08-29 | Davis Cup WG CR: USA vs FRG | RR | L | Cliff Richey | – | 6-4 6-4 7-5 |
| 1970-08-29 | Davis Cup WG CR: USA vs FRG | RR | L | Arthur Ashe | – | 6-2 10-8 6-2 |
| 1970-08-14 | Davis Cup EUR F: FRG vs ESP | RR | W | Juan Gisbert | – | 6-4 6-1 6-3 |
| 1970-08-14 | Davis Cup EUR F: FRG vs ESP | RR | L | Manuel Orantes | – | 6-4 10-8 11-9 |
| 1970-08-01 | Davis Cup EUR SF: IND vs FRG | RR | W | Premjit Lall | – | 6-4 6-3 5-7 13-11 |
| 1970-08-01 | Davis Cup EUR SF: IND vs FRG | RR | W | Jaidip Mukerjea | – | 6-2 7-5 6-3 |
| 1970-07-14 | Davis Cup EUR F: FRG vs URS | RR | L | Alex Metreveli | – | 6-4 5-5 RET |
| 1970-07-14 | Davis Cup EUR F: FRG vs URS | RR | W | Vladimir Korotkov | – | 6-4 7-9 6-4 6-3 |
| 1970-07-06 | Dusseldorf | F | W | Christian Kuhnke | – | 6-3 6-0 6-4 |
| 1970-07-06 | Dusseldorf | SF | W | Francois Jauffret | – | 6-3 1-6 6-2 6-3 |
| 1970-07-06 | Dusseldorf | QF | W | Wieslaw Gasiorek | – | 8-10 6-1 6-4 7-5 |
| 1970-07-06 | Dusseldorf | R16 | W | Peter Szoke | – | UNK |
| 1970-07-06 | Dusseldorf | R32 | W | U Unknown | – | UNK |
| 1970-06-12 | Davis Cup EUR SF: FRG vs BEL | RR | W | Eric Drossart | – | 2-6 6-2 6-0 6-3 |
| 1970-06-12 | Davis Cup EUR SF: FRG vs BEL | RR | W | Patrick Hombergen | – | 6-2 6-1 3-6 6-3 |
| 1970-05-22 | Davis Cup EUR QF: FRG vs EGY | RR | W | Moataz El Sonbol | – | 10-8 6-2 6-3 |
| 1970-05-22 | Davis Cup EUR QF: FRG vs EGY | RR | W | Abdel Ghani Mohammed | – | 6-2 6-4 1-6 6-2 |
| 1970-05-11 | Berlin | R16 | L | Adriano Panatta | – | 11-13 6-3 9-7 6-1 |
| 1970-05-11 | Berlin | R32 | W | Franco Bartoni | – | 6-4 6-4 5-7 6-3 |
| 1970-05-08 | Davis Cup EUR R1: FRG vs DEN | RR | W | Jorgen Ulrich | – | 7-5 6-2 2-6 3-6 6-3 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0