By surface
| Surface | Geoff Masters | Allan McDonald |
|---|---|---|
| Grass | 3 | 0 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-11-09 | ATP | Brisbane | Round of 16 | Grass | Geoff Masters | 6-3 | 6-2 | |||
| 1969-12-01 | ATP | Brisbane | Round of 32 | Grass | Geoff Masters | 3-6 | 18-16 | 6-3 | ||
| 1968-11-23 | ATP | Adelaide | Round of 64 | Grass | Geoff Masters | 6-2 | 12-10 | 7-5 |