By surface
| Surface | Juan Martin del Potro | Daniel Koellerer |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2009-08-31 | ATP | US Open | Round of 32 | Hard | Juan Martin del Potro | 6-1 | 3-6 | 6-3 | 6-3 |
| Surface | Juan Martin del Potro | Daniel Koellerer |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2009-08-31 | ATP | US Open | Round of 32 | Hard | Juan Martin del Potro | 6-1 | 3-6 | 6-3 | 6-3 |