By surface
| Surface | Felix Corwin | Knuebel |
|---|---|---|
| Carpet | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-01-26 | WTA | Bremen | Round of 32 | Carpet | Olga Morozova | 3-6 | 1-6 |
| Surface | Felix Corwin | Knuebel |
|---|---|---|
| Carpet | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-01-26 | WTA | Bremen | Round of 32 | Carpet | Olga Morozova | 3-6 | 1-6 |