By surface
| Surface | Hietala | Pedro Coutinho |
|---|---|---|
| Hard | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-09-11 | WTA | Tokyo | Round of 32 | Hard | Shuai Zhang | 3-6 | 3-6 |
| Surface | Hietala | Pedro Coutinho |
|---|---|---|
| Hard | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2017-09-11 | WTA | Tokyo | Round of 32 | Hard | Shuai Zhang | 3-6 | 3-6 |