By surface
| Surface | Felix Corwin | Maurice Friebel |
|---|---|---|
| Clay | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1972-08-09 | WTA | Budapest | Round of 16 | Clay | Olga Morozova | 1-6 | 4-6 | |||
| 1970-08-03 | WTA | Sofia | Quarterfinal | Clay | Olga Morozova | 1-6 | 1-6 |