By surface
| Surface | Karl Coombes | Brian Marcus |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-06-22 | ATP | San Antonio Collegiate | Round of 128 | — | Karl Coombes | 13-11 | 6-4 |
| Surface | Karl Coombes | Brian Marcus |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-06-22 | ATP | San Antonio Collegiate | Round of 128 | — | Karl Coombes | 13-11 | 6-4 |