By surface
| Surface | Lin Zhu | Hietala |
|---|---|---|
| Hard | 2 | 1 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2019-09-09 | WTA | Nanchang | Round of 16 | Hard | Lin Zhu | 6-0 | 1-0 | |||
| 2018-07-23 | WTA | Nanchang | Quarterfinal | Hard | Lin Zhu | 7-63 | 4-6 | 6-1 | ||
| 2016-07-18 | WTA | Washington | Round of 64 | Hard | Shuai Zhang | 5-7 | 4-6 |