By surface
| Surface | Gene Mayer | Karl Meiler |
|---|
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-01-13 | ATP | Freeport | Quarterfinal | — | Karl Meiler | 4-6 | 2-6 |
| Surface | Gene Mayer | Karl Meiler |
|---|
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-01-13 | ATP | Freeport | Quarterfinal | — | Karl Meiler | 4-6 | 2-6 |