By surface
| Surface | Jakob Hlasek | George Cosac |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1989-05-05 | ATP | Davis Cup G1 SF: SUI vs ROU | Round Robin | Clay | Jakob Hlasek | 6-1 | 1-6 | 7-5 | 6-3 |
| Surface | Jakob Hlasek | George Cosac |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1989-05-05 | ATP | Davis Cup G1 SF: SUI vs ROU | Round Robin | Clay | Jakob Hlasek | 6-1 | 1-6 | 7-5 | 6-3 |