By surface
| Surface | Mark Cox | William Brown |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-03-31 | ATP | Tuscon | Round of 64 | Hard | Mark Cox | 1-6 | 6-4 | 6-4 |
| Surface | Mark Cox | William Brown |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-03-31 | ATP | Tuscon | Round of 64 | Hard | Mark Cox | 1-6 | 6-4 | 6-4 |