By surface
| Surface | Buster C Mottram | Carlos Kirmayr |
|---|---|---|
| Clay | 2 | 1 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1978-05-23 | ATP | Munich | Quarterfinal | Clay | Buster C Mottram | 4-6 | 6-4 | 6-3 | ||
| 1976-04-25 | ATP | Madrid | Round of 16 | Clay | Buster C Mottram | 6-4 | 6-2 | |||
| 1974-11-24 | ATP | Buenos Aires | Round of 32 | Clay | Carlos Kirmayr | 6-1 | 3-6 | 4-6 |