By surface
| Surface | Gene Mayer | Emilio Montano |
|---|---|---|
| Clay | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980-07-21 | ATP | Washington | Round of 64 | Clay | Gene Mayer | 6-2 | 6-4 | |||
| 1977-11-14 | ATP | Santiago | Round of 16 | Clay | Gene Mayer | 6-3 | 6-1 |