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 |
|---|---|---|---|---|---|---|
| 1978-07-23 | Washington | R64 | L | John Alexander | 16 | 7-5 6-0 |
| 1978-07-10 | Cincinnati | R32 | L | Hans Gildemeister | 30 | 6-2 6-4 |
| 1978-07-10 | Cincinnati | R64 | W | Zan Guerry | 163 | 6-7 6-4 6-3 |
| 1978-07-09 | Raleigh CH | SF | L | Willem Prinsloo | 131 | 4-6 6-4 6-2 |
| 1978-07-09 | Raleigh CH | QF | W | Erick Iskersky | 212 | 6-2 6-3 |
| 1978-07-09 | Raleigh CH | R16 | W | Max Hurlimann | 231 | 6-3 6-4 |
| 1978-07-09 | Raleigh CH | R32 | W | Chris Mayotte | 265 | 6-7 6-4 6-4 |
| 1978-07-09 | Raleigh CH | R64 | W | Bill Maze | 253 | 6-3 3-6 6-4 |
| 1978-07-02 | Asheville CH | R16 | L | Mike Cahill | 116 | 7-5 6-4 |
| 1978-07-02 | Asheville CH | R32 | W | Robert Vant Hof | – | 6-2 6-4 |
| 1978-07-02 | Asheville CH | R64 | W | Noel Jensen | 397 | 6-0 7-5 |
| 1978-06-25 | Birmingham CH | R32 | L | Bill Maze | 298 | 6-1 7-6 |
| 1978-06-25 | Birmingham CH | R64 | W | Carlos Gomez | 272 | 6-1 7-5 |
| 1978-06-18 | Shreveport CH | R64 | L | Warren Maher | 235 | 6-4 6-2 |
| 1978-05-15 | Hamburg | R64 | L | Hank Pfister | 28 | 6-4 6-2 |
| 1977-12-15 | Davis Cup EUR SF: RSA vs COL | RR | L | Raymond Moore | 36 | 6-3 6-3 6-2 |
| 1977-11-21 | Buenos Aires | R32 | L | Paul Mcnamee | 83 | 6-2 6-4 |
| 1977-11-14 | Santiago | QF | L | Ricardo Ycaza | 264 | 7-5 6-2 |
| 1977-11-14 | Santiago | R16 | W | Jose Higueras | 28 | 7-5 3-6 6-4 |
| 1977-11-14 | Santiago | R32 | W | Zan Guerry | 123 | 6-2 6-0 |
| 1977-11-07 | Bogota | R16 | L | Mike Fishbach | 67 | 7-6 6-4 |
| 1977-11-07 | Bogota | R32 | W | Bill Lofgren | 169 | 6-3 4-6 6-4 |
| 1977-08-31 | US Open | R128 | L | Anand Amritraj | 129 | 3-6 6-4 6-3 |
| 1977-08-23 | Boston | R32 | L | Brian Gottfried | 3 | 4-6 6-3 6-0 |
| 1977-08-23 | Boston | R64 | W | Howard Schoenfield | 269 | 6-3 6-4 |
| 1977-08-16 | Toronto | R64 | L | Raul Ramirez | 6 | 2-6 6-4 6-1 |
| 1977-08-08 | Indianapolis | R16 | L | Phil Dent | 22 | 6-3 6-2 |
| 1977-08-08 | Indianapolis | R32 | W | Howard Schoenfield | 269 | 6-4 6-3 |
| 1977-08-08 | Indianapolis | R64 | W | Emilio Montano | 120 | 6-3 6-3 |
| 1977-07-31 | North Conway | R32 | L | Brian Fairlie | 42 | 6-1 6-0 |
| 1977-07-31 | North Conway | R64 | W | Chris Mayotte | – | 6-2 6-4 |
| 1977-07-25 | Louisville | R64 | L | Nicola Spear | 71 | 6-3 5-7 6-1 |
| 1977-07-18 | Washington | R64 | L | Bob Hewitt | 56 | 2-6 6-4 6-4 |
| 1977-07-12 | Hilversum | R32 | L | Kim Warwick | 44 | 6-1 6-2 |
| 1977-07-03 | Bastad | R16 | L | Mark Edmondson | 49 | 6-1 6-4 |
| 1977-07-03 | Bastad | R32 | W | Jan Kallquist | 300 | 7-5 2-6 6-4 |
| 1977-06-20 | Wimbledon | R128 | L | John Yuill | 74 | 6-3 6-4 6-3 |
| 1977-06-13 | Berlin | R32 | L | Steve Krulevitz | 94 | 6-4 6-2 |
| 1977-06-06 | Brussels | R32 | L | Harold Solomon | 11 | 6-3 6-1 |
| 1977-05-23 | Roland Garros | R128 | L | Brian Teacher | 60 | 7-6 6-4 4-6 6-0 |
| 1977-05-16 | Dusseldorf | R32 | L | Ismail El Shafei | 118 | 7-6 4-6 6-1 |
| 1977-05-09 | Hamburg | R64 | L | Rolf Norberg | 108 | 6-2 6-0 |
| 1977-02-07 | Miami | R16 | L | Alex Metreveli | 66 | 3-6 6-1 6-2 |
| 1977-02-07 | Miami | R32 | W | Paul Kronk | 92 | 6-2 6-3 |
| 1976-12-04 | Santiago | R16 | L | Jaime Fillol | 15 | 6-3 3-6 6-1 |
| 1976-11-22 | Buenos Aires | R32 | L | Jaime Pinto Bravo | 168 | 4-6 6-3 6-2 |
| 1976-11-15 | Sao Paulo | R32 | L | Thomaz Koch | 43 | 6-4 6-2 |
| 1976-11-01 | Cologne | R32 | L | Nikola Pilic | 65 | 6-3 6-4 |
| 1976-10-25 | Paris Indoor | R32 | L | Nick Saviano | 159 | 6-1 6-1 |
| 1976-10-18 | Barcelona | R64 | L | Zeljko Franulovic | 48 | 6-0 6-2 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0