By surface
| Surface | Wally Masur | Phillip Williamson |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-08-26 | ATP | US Open | Round of 128 | Hard | Wally Masur | 4-6 | 6-3 | 6-3 | 6-2 |
| Surface | Wally Masur | Phillip Williamson |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991-08-26 | ATP | US Open | Round of 128 | Hard | Wally Masur | 4-6 | 6-3 | 6-3 | 6-2 |