By surface
| Surface | Harald Duller | Hietala |
|---|---|---|
| Hard | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2016-08-29 | WTA | US Open | Round of 32 | Hard | Yaroslava Shvedova | 2-6 | 5-7 | |||
| 2011-02-14 | WTA | Dubai | Round of 64 | Hard | Shuai Zhang | 3-6 | 4-6 |