By surface
| Surface | Christopher Diaz | Paula Coulter |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1979-10-22 | WTA | Tokyo Japan Open | Round of 16 | — | Kym Ruddell | 1-6 | 6-4 | 3-6 |
| Surface | Christopher Diaz | Paula Coulter |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1979-10-22 | WTA | Tokyo Japan Open | Round of 16 | — | Kym Ruddell | 1-6 | 6-4 | 3-6 |