By surface
| Surface | Geoff Masters | Mike Cahill |
|---|---|---|
| Carpet | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980-03-24 | ATP | Dayton | Round of 32 | Carpet | Geoff Masters | 6-4 | 7-6 | |||
| 1980-03-03 | ATP | Washington-2 | Round of 32 | Carpet | Geoff Masters | 6-1 | 4-6 | 6-2 |