By surface
| Surface | Mark Cox | Istvan Gulyas |
|---|---|---|
| Clay | 0 | 2 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-05-27 | ATP | Roland Garros | Round of 32 | Clay | Istvan Gulyas | 6-3 | 6-8 | 2-6 | 2-6 | |
| 1968-04-08 | ATP | Tampa | Semifinal | Clay | Istvan Gulyas | 6-2 | 6-0 | 0-6 | 7-9 | 2-6 |