By surface
| Surface | Stefan Koubek | Yen Hsun Lu |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2009-02-23 | ATP | Delray Beach | Round of 16 | Hard | Stefan Koubek | 6-4 | 6-3 |
| Surface | Stefan Koubek | Yen Hsun Lu |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2009-02-23 | ATP | Delray Beach | Round of 16 | Hard | Stefan Koubek | 6-4 | 6-3 |