29–50Menang–Kalah
36.7%% Menang
0Gelar
| Lapangan | W | L | % |
|---|---|---|---|
| Clay | 12 | 21 | 36.4% |
| Grass | 8 | 11 | 42.1% |
| Hard | 6 | 12 | 33.3% |
| Unknown | 3 | 3 | 50.0% |
| Carpet | 0 | 3 | 0.0% |
Musim per musim
| Tahun | W | L | Gelar | % |
|---|---|---|---|---|
| 1979 | 4 | 5 | 0 | 44.4% |
| 1977 | 0 | 1 | 0 | 0.0% |
| 1976 | 1 | 3 | 0 | 25.0% |
| 1975 | 3 | 9 | 0 | 25.0% |
| 1974 | 3 | 9 | 0 | 25.0% |
| 1973 | 0 | 1 | 0 | 0.0% |
| 1972 | 1 | 4 | 0 | 20.0% |
| 1971 | 6 | 5 | 0 | 54.5% |
| 1970 | 1 | 2 | 0 | 33.3% |
| 1969 | 1 | 4 | 0 | 20.0% |
| 1968 | 9 | 7 | 0 | 56.3% |
Riwayat peringkat
Pertandingan
| Tanggal | Turnamen | Babak | W/L | Lawan | Rank lawan | Skor |
|---|---|---|---|---|---|---|
| 1979-08-15 | Sao Paulo CH | R16 | L | Carlos Kirmayr | 55 | 6-2 6-4 |
| 1979-08-06 | Ribeiro Preto CH | R16 | L | Tony Graham | 244 | 4-6 6-3 6-2 |
| 1979-08-06 | Ribeiro Preto CH | R32 | W | Marcos Hocevar | 404 | 6-2 7-6 |
| 1979-08-06 | Ribeiro Preto CH | R64 | W | Stephen Warboys | 248 | 3-6 6-3 6-4 |
| 1979-07-29 | Salvador CH | R64 | L | Mark Turpin | – | 6-1 6-1 |
| 1979-07-23 | Porto Alegre CH | R64 | L | Tony Giammalva | 200 | 1-6 7-6 6-3 |
| 1979-06-18 | Green Bay CH | R16 | L | Peter Rennert | 301 | 6-3 7-6 |
| 1979-06-18 | Green Bay CH | R32 | W | Michael Grant | 555 | 7-5 7-6(1) |
| 1979-06-18 | Green Bay CH | R64 | W | Trey Waltke | 128 | 6-4 6-3 |
| 1977-08-31 | US Open | R128 | L | John Alexander | 18 | 3-6 6-3 6-4 |
| 1976-07-04 | Bastad | R32 | L | Ove Bengtson | 210 | 6-1 7-5 |
| 1976-07-04 | Bastad | R64 | W | Ramiro Benavides | 147 | 7-6 7-6 |
| 1976-04-18 | Palma | R32 | L | Henry Bunis | 162 | 7-5 6-2 |
| 1976-02-24 | Khartoum | R16 | L | Michael Wayman | 373 | 7-6 7-6 |
| 1975-08-27 | US Open | R64 | L | Mark Cox | 26 | 6-4 6-1 |
| 1975-08-27 | US Open | R128 | W | Tom Gorman | 49 | 6-3 7-6 |
| 1975-08-12 | Columbus | R32 | L | Anand Amritraj | 81 | 6-3 6-2 |
| 1975-08-04 | North Conway | R64 | L | Gerald Battrick | 139 | 2-6 6-2 6-3 |
| 1975-07-07 | Bastad | R32 | L | Jose Higueras | 62 | 6-2 6-2 |
| 1975-06-04 | Roland Garros | R64 | L | Ricardo Cano | 183 | 6-4 6-3 |
| 1975-06-04 | Roland Garros | R128 | W | Rolf Thung | 98 | 7-6 6-4 |
| 1975-05-19 | Hamburg | R32 | L | Wojtek Fibak | 69 | 6-3 6-2 |
| 1975-05-19 | Hamburg | R64 | W | Milan Holecek | 75 | 6-4 6-4 |
| 1975-05-12 | Bournemouth | R64 | L | Richard Lewis | 220 | 6-2 2-6 8-6 |
| 1975-03-24 | Atlanta WCT | R32 | L | Cliff Richey | 20 | 6-0 6-4 |
| 1975-03-04 | Shreveport | R32 | L | Spencer Segura | 202 | 1-6 7-5 6-3 |
| 1974-11-24 | Johannesburg | R32 | L | Juan Gisbert | 36 | 4-6 7-6 6-1 |
| 1974-08-28 | US Open | R64 | L | Paul Gerken | 66 | 6-4 6-4 6-2 |
| 1974-08-28 | US Open | R128 | W | Jun Kamiwazumi | 106 | 6-4 6-7 6-2 4-6 7-5 |
| 1974-08-25 | Merion | R32 | L | Tom Kreiss | – | 7-6 4-6 6-4 |
| 1974-08-25 | Merion | R64 | W | Brian Marcus | – | 6-4 6-2 |
| 1974-08-05 | Bretton Woods | R32 | L | Eddie Dibbs | 19 | 6-0 1-6 6-4 |
| 1974-07-31 | Cincinnati | R16 | L | Colin Dibley | 77 | 7-6 7-6 |
| 1974-07-31 | Cincinnati | R32 | W | John Lloyd | 115 | 6-4 7-5 |
| 1974-07-22 | Chicago | R32 | L | Erik Van Dillen | 41 | 6-4 6-3 |
| 1974-06-24 | Wimbledon | R128 | L | Kim Warwick | 85 | 9-8 7-5 6-1 |
| 1974-04-08 | Orlando WCT | R32 | L | Zeljko Franulovic | 67 | 6-2 7-6(5) |
| 1974-02-04 | St. Petersburg WCT | R32 | L | Owen Davidson | 147 | 6-2 6-2 |
| 1973-08-29 | US Open | R128 | L | Ion Tiriac | 87 | 4-6 6-4 4-6 6-4 6-0 |
| 1972-07-30 | Tanglewood | R32 | L | Billy Higgins | – | 6-1 1-6 6-3 |
| 1972-07-12 | Washington WCT | R64 | L | Terry Addison | – | 6-4 6-3 |
| 1972-04-08 | Johannesburg | R64 | L | Hank Irvine | – | 7-6 6-3 7-6 |
| 1972-04-08 | Johannesburg | R128 | W | Jeff Simpson | – | 7-5 6-2 6-3 |
| 1971-12-06 | Auckland | R32 | L | Tony Parun | – | 7-5 5-7 1-6 7-6 6-2 |
| 1971-09-01 | US Open | R64 | L | Nikola Pilic | – | 7-6 7-6 6-3 |
| 1971-09-01 | US Open | R128 | W | Jimmy Parker | – | 2-6 6-3 6-4 6-4 |
| 1971-07-24 | Tanglewood | R64 | L | Jeff Borowiak | – | 6-3 6-3 |
| 1971-04-14 | Jacksonville | QF | L | Tom Edlefsen | – | 4-6 7-6 6-3 |
| 1971-04-14 | Jacksonville | R16 | W | Terry Addison | – | 4-6 6-3 6-4 |
| 1971-04-14 | Jacksonville | R32 | W | Lenny Schloss | – | 6-2 6-3 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0