By surface
| Surface | Hans Kary | Lyuben Petrov |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-09-26 | ATP | Davis Cup EUR PR: BUL vs AUT | Round Robin | — | Hans Kary | 6-4 | 6-0 | 6-0 |
| Surface | Hans Kary | Lyuben Petrov |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-09-26 | ATP | Davis Cup EUR PR: BUL vs AUT | Round Robin | — | Hans Kary | 6-4 | 6-0 | 6-0 |