- Born
- 1964-02-15 in New York, NY, United States of America
- Hand
- Right
- Backhand
- nan
- Height
- 173 cm
- Weight
- 75 kg
- Coach
- nan
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John Sobel
John Sobel has found the Tour difficult, recording 2–8 across 10 matches (20.0%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward.
| Date | Tournament | Srf | Rd | Wrk | Winner | Lrk | Loser | Score |
|---|---|---|---|---|---|---|---|---|
| 1992-03-13 | Miami Masters | Hard | R128 | 63 | 642 | 6-2 6-1 | ||
| 1991-10-07 | Tokyo Indoor | Carpet | R64 | 122 | 804 | 6-3 6-4 | ||
| 1991-07-29 | San Marino | Clay | R32 | 43 | 1090 | 6-1 6-1 | ||
| 1990-02-05 | Guaruja | Hard | R16 | 13 | 416 | 6-1 6-2 | ||
| 1990-02-05 | Guaruja | Hard | R32 | 416 | 165 | 5-7 6-4 6-4 | ||
| 1989-07-10 | Boston | Clay | R32 | 74 | 513 | 6-3 6-2 | ||
| 1989-07-10 | Boston | Clay | R64 | 513 | - | 6-4 6-7 6-2 | ||
| 1989-04-10 | Rio de Janeiro | Carpet | R32 | 154 | 510 | 6-1 4-6 6-4 | ||
| 1988-10-18 | Tokyo-2 | Carpet | R32 | 264 | 539 | 6-1 6-2 | ||
| 1988-07-04 | Boston | Clay | R64 | 154 | 490 | 6-3 6-1 |