By surface
| Surface | Hietala | Ryan Vogl |
|---|---|---|
| Hard | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020-03-07 | WTA | Fed Cup G1 RR: CHN vs KOR | Round Robin | Hard | Shuai Zhang | 3-6 | 5-7 | |||
| 2019-02-07 | WTA | Fed Cup G1 RR: CHN vs KOR | Round Robin | Hard | Shuai Zhang | 0-6 | 4-6 |