By surface
| Surface | Alex Diaz | Thomas Wille |
|---|---|---|
| Clay | 2 | 1 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1974-08-05 | WTA | Indianapolis | Quarterfinal | Clay | Gail Sherriff | 3-6 | 5-7 | |||
| 1974-05-13 | WTA | Fed Cup WG QF: FRA vs USA | Round Robin | Clay | Julie Heldman | 2-6 | 2-6 | |||
| 1968-08-06 | WTA | Hamburg | Round of 16 | Clay | Julie Heldman | 2-6 | 6-4 | 2-6 |