By surface
| Surface | Stefan Koubek | Christopher Kas |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2009-03-06 | ATP | Davis Cup WG R1: GER vs AUT | Round Robin | Hard | Stefan Koubek | 6-2 | 6-3 |
| Surface | Stefan Koubek | Christopher Kas |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2009-03-06 | ATP | Davis Cup WG R1: GER vs AUT | Round Robin | Hard | Stefan Koubek | 6-2 | 6-3 |