By surface
| Surface | Tommy Haas | Donald Young |
|---|---|---|
| Hard | 0 | 2 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2015-08-03 | ATP | Washington | Round of 64 | Hard | Donald Young | 3-6 | 4-6 | |||
| 2008-08-04 | ATP | Los Angeles | Round of 32 | Hard | Donald Young | 2-6 | 4-6 |