By surface
| Surface | Thomas Wille | Yerko Muller |
|---|---|---|
| Clay | 3 | 0 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-03-23 | WTA | Monte Carlo | Round of 16 | Clay | Gail Sherriff | 1-6 | 1-6 | |||
| 1972-04-02 | WTA | Rome | Round of 16 | Clay | Gail Sherriff | 2-6 | 1-6 | |||
| 1971-04-05 | WTA | Monte Carlo | Quarterfinal | Clay | Gail Sherriff | 3-6 | 1-6 |