By surface
| Surface | Hernan Sterin | Yan Ermak |
|---|---|---|
| Clay | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1973-05-07 | WTA | Stuttgart | Semifinal | Clay | Edith Winkens | 6-3 | 4-6 | 2-6 |
| Surface | Hernan Sterin | Yan Ermak |
|---|---|---|
| Clay | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1973-05-07 | WTA | Stuttgart | Semifinal | Clay | Edith Winkens | 6-3 | 4-6 | 2-6 |