By surface
| Surface | Lucas Koelle | Mark C Johnson |
|---|---|---|
| Hard | 1 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-05-04 | WTA | Sacramento | Round of 16 | Hard | Esme Emmanuel | 5-7 | 4-6 | |||
| 1968-09-24 | WTA | Berkeley | Round of 32 | Hard | Marcie Louie | 3-6 | 2-6 |