By surface
| Surface | Gene Mayer | Chris Kachel |
|---|---|---|
| Hard | 1 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1976-11-07 | ATP | Hong Kong | Round of 32 | Hard | Gene Mayer | 6-3 | 5-7 | 6-3 | ||
| 1975-03-17 | ATP | New York | Round of 32 | — | Gene Mayer | 6-3 | 6-2 |