By surface
| Surface | Robert Machan | Allan McDonald |
|---|---|---|
| Grass | 1 | 0 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1973-01-01 | ATP | Sydney | Round of 64 | Grass | Robert Machan | 6-3 | 7-6 |
| Surface | Robert Machan | Allan McDonald |
|---|---|---|
| Grass | 1 | 0 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1973-01-01 | ATP | Sydney | Round of 64 | Grass | Robert Machan | 6-3 | 7-6 |