By surface
| Surface | Istvan Gulyas | John De Mendoza |
|---|---|---|
| Carpet | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-01-22 | ATP | Bremen Indoors | Round of 32 | Carpet | John De Mendoza | 7-5 | 5-7 | 5-7 |
| Surface | Istvan Gulyas | John De Mendoza |
|---|---|---|
| Carpet | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-01-22 | ATP | Bremen Indoors | Round of 32 | Carpet | John De Mendoza | 7-5 | 5-7 | 5-7 |