By surface
| Surface | Hietala | Olivier Peyret |
|---|---|---|
| Hard | 1 | 3 |
All meetings (4)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2018-10-29 | WTA | Zhuhai | Round of 16 | Hard | Garbine Muguruza | 6-3 | 3-6 | 2-6 | ||
| 2018-08-27 | WTA | US Open | Round of 128 | Hard | Garbine Muguruza | 3-6 | 0-6 | |||
| 2017-03-20 | WTA | Miami | Round of 32 | Hard | Garbine Muguruza | 6-4 | 2-6 | 2-6 | ||
| 2017-02-13 | WTA | Doha | Round of 16 | Hard | Shuai Zhang | 6-73 | 6-3 | 5-7 |