By surface
| Surface | Gene Mayer | Deon Joubert |
|---|---|---|
| Clay | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-07-10 | ATP | Cincinnati | Round of 32 | Clay | Gene Mayer | 6-2 | 6-3 | |||
| 1977-10-03 | ATP | Tehran | Round of 32 | Clay | Gene Mayer | 6-2 | 6-3 |