By surface
| Surface | Istvan Gulyas | Christian Kuhnke |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1971-06-10 | ATP | Davis Cup EUR SF: FRG vs HUN | Round Robin | — | Christian Kuhnke | 6-3 | 4-6 | 2-6 | 6-2 | 3-6 |
| Surface | Istvan Gulyas | Christian Kuhnke |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1971-06-10 | ATP | Davis Cup EUR SF: FRG vs HUN | Round Robin | — | Christian Kuhnke | 6-3 | 4-6 | 2-6 | 6-2 | 3-6 |