46–92Win–Loss
33.3%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Clay | 41 | 75 | 35.3% |
| Hard | 1 | 8 | 11.1% |
| Unknown | 3 | 4 | 42.9% |
| Grass | 1 | 2 | 33.3% |
| Carpet | 0 | 3 | 0.0% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 1981 | 1 | 1 | 0 | 50.0% |
| 1980 | 6 | 14 | 0 | 30.0% |
| 1979 | 4 | 7 | 0 | 36.4% |
| 1978 | 12 | 20 | 0 | 37.5% |
| 1977 | 9 | 20 | 0 | 31.0% |
| 1976 | 9 | 19 | 0 | 32.1% |
| 1975 | 3 | 6 | 0 | 33.3% |
| 1974 | 1 | 1 | 0 | 50.0% |
| 1972 | 0 | 1 | 0 | 0.0% |
| 1970 | 1 | 2 | 0 | 33.3% |
| 1968 | 0 | 1 | 0 | 0.0% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 1981-07-13 | Boston | R32 | L | Ricardo Ycaza | 46 | 4-6 6-1 6-2 |
| 1981-07-13 | Boston | R64 | W | Tom Cain | 219 | 7-6 6-3 |
| 1980-11-24 | Santiago | R32 | L | Rick Fagel | 113 | 6-1 6-3 |
| 1980-11-17 | Buenos Aires | R32 | L | Hans Gildemeister | 29 | 6-0 3-0 RET |
| 1980-11-10 | Bogota | R32 | L | Chris Mayotte | 90 | 6-3 6-4 |
| 1980-11-03 | Quito | R32 | L | Guillermo Aubone | 321 | 6-3 7-5 |
| 1980-10-06 | Barcelona | R64 | L | Corrado Barazzutti | 22 | 6-2 6-0 |
| 1980-09-29 | Madrid | R32 | L | Hans Gildemeister | 23 | 6-3 6-1 |
| 1980-09-22 | Geneva | R16 | L | Zeljko Franulovic | 70 | 6-3 6-3 |
| 1980-09-22 | Geneva | R32 | W | Fabrizio Fanucci | 579 | 7-5 6-2 |
| 1980-09-08 | Bournemouth | R16 | L | Jonathan Smith | 226 | 6-4 6-3 |
| 1980-09-08 | Bournemouth | R32 | W | Greg Whitecross | 305 | 6-1 7-5 |
| 1980-08-11 | Montreal / Toronto | R64 | L | Paul Kronk | 91 | 7-6 6-1 |
| 1980-08-04 | Indianapolis | R64 | L | Leo Palin | 135 | 6-4 7-6 |
| 1980-07-28 | South Orange | SF | L | Jose Luis Clerc | 17 | 6-3 6-2 |
| 1980-07-28 | South Orange | QF | W | Blaine Willenborg | 579 | 6-4 6-4 |
| 1980-07-28 | South Orange | R16 | W | John James | 92 | 6-3 6-4 |
| 1980-07-28 | South Orange | R32 | W | Colin Dibley | 48 | 6-7 6-0 6-1 |
| 1980-07-21 | Washington | R32 | L | Fernando Luna | 70 | 6-1 6-0 |
| 1980-07-21 | Washington | R64 | W | Marty Riessen | 49 | 6-1 RET |
| 1980-07-14 | Boston | R64 | L | Victor Pecci | 19 | 6-3 6-2 |
| 1980-02-11 | Sarasota | R32 | L | Rick Fagel | 113 | 7-5 6-0 |
| 1979-11-12 | Bogota | R16 | L | Roger Guedes | 94 | 7-5 6-4 |
| 1979-11-12 | Bogota | R32 | W | Hans Gildemeister | 14 | 6-2 6-0 |
| 1979-08-15 | Sao Paulo CH | R16 | L | Roger Guedes | 89 | 6-1 6-2 |
| 1979-08-06 | Ribeiro Preto CH | R16 | L | Carlos Gattiker | 414 | 6-1 6-1 |
| 1979-08-06 | Ribeiro Preto CH | R32 | W | Mike Barr | 328 | 6-3 6-2 |
| 1979-08-06 | Ribeiro Preto CH | R64 | W | Rolf Thung | 328 | 6-3 6-1 |
| 1979-07-29 | Salvador CH | R64 | L | Marcos Hocevar | 404 | 7-6 4-6 7-5 |
| 1979-07-23 | Porto Alegre CH | R32 | L | Roberto Lombardi | 374 | 6-2 6-2 |
| 1979-07-23 | Porto Alegre CH | R64 | W | U Unknown | – | |
| 1979-03-16 | Davis Cup AME F: USA vs COL | RR | L | Dick Stockton | 22 | 6-1 6-2 7-5 |
| 1979-03-16 | Davis Cup AME F: USA vs COL | RR | L | John McEnroe | 5 | 6-2 6-1 6-1 |
| 1978-12-04 | Santiago | R16 | L | Ricardo Cano | 80 | 6-2 6-1 |
| 1978-12-04 | Santiago | R32 | W | Belus Prajoux | 87 | 6-3 6-4 |
| 1978-11-19 | Bogota | R16 | L | Victor Pecci | 65 | 6-3 4-6 7-6 |
| 1978-11-19 | Bogota | R32 | W | Antonio Munoz | 99 | 5-2 RET |
| 1978-10-27 | Davis Cup AME PR: COL vs VEN | RR | L | Humphrey Hose | 429 | 3-6 6-1 7-5 |
| 1978-10-09 | Barcelona | R64 | L | Jan Kodes | 94 | 6-2 6-0 |
| 1978-10-08 | Madrid | R64 | L | Manuel Orantes | 9 | 6-4 6-3 |
| 1978-09-25 | Aix en Provence | R32 | L | Jan Kodes | 94 | 3-6 6-3 6-4 |
| 1978-09-24 | Bournemouth | R32 | L | John Feaver | 154 | 8-9 6-1 6-3 |
| 1978-08-29 | US Open | R64 | L | Rejean Genois | 90 | 6-2 6-3 |
| 1978-08-29 | US Open | R128 | W | Nick Saviano | 52 | 6-7 6-1 6-4 |
| 1978-08-21 | Boston | R64 | L | Gilles Moretton | 133 | 6-3 3-6 6-3 |
| 1978-08-20 | Cleveland | R32 | L | Peter Feigl | 72 | 6-3 6-3 |
| 1978-08-07 | Indianapolis | R32 | L | Phil Dent | 31 | 6-4 6-4 |
| 1978-08-07 | Indianapolis | R64 | W | Paolo Bertolucci | 64 | 4-6 7-5 7-5 |
| 1978-07-30 | Louisville | R64 | L | Dick Stockton | 16 | 6-1 6-4 |
| 1978-07-30 | South Orange | R32 | L | Balazs Taroczy | 32 | 7-6 6-0 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0