By surface
| Surface | Gene Mayer | Alejandro Ganzabal |
|---|---|---|
| Clay | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1983-03-04 | ATP | Davis Cup WG R1: ARG vs USA | Round Robin | Clay | Gene Mayer | 6-4 | 3-6 | 10-8 | ||
| 1982-05-03 | ATP | Dusseldorf | Semifinal | Clay | Gene Mayer | 6-3 | 6-3 |