By surface
| Surface | Roscoe Tanner | John Marks |
|---|---|---|
| Hard | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1979-08-28 | ATP | US Open | Round of 128 | Hard | Roscoe Tanner | 6-4 | 6-2 | 6-0 | ||
| 1976-11-07 | ATP | Hong Kong | Round of 64 | Hard | John Marks | 3-6 | 4-6 |