By surface
| Surface | Hietala | Pedro Aranda |
|---|---|---|
| Hard | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024-09-16 | WTA | Seoul | Round of 32 | Hard | Veronika Kudermetova | 4-6 | 3-6 | |||
| 2020-01-13 | WTA | Hobart | Semifinal | Hard | Shuai Zhang | 3-6 | 4-6 |