By surface
| Surface | Damir Keretic | Christoph Zipf |
|---|---|---|
| Carpet | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-12-14 | ATP | Sofia | Round of 32 | Carpet | Christoph Zipf | 6-3 | 4-6 | 5-7 |
| Surface | Damir Keretic | Christoph Zipf |
|---|---|---|
| Carpet | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-12-14 | ATP | Sofia | Round of 32 | Carpet | Christoph Zipf | 6-3 | 4-6 | 5-7 |