Head to head
3
Clay
0
Buster C. Mottram's wins on the left · Mike Cahill's on the right · bar lengths share one scale
All meetings (3)
| 1979 | Tokyo-1 | Clay | R16 | Buster C. Mottram | 6-2 6-1 |
| 1978 | Tokyo-1 | Clay | R16 | Buster C. Mottram | 6-4 6-3 |
| 1976 | Toronto-2 | Clay | R32 | Buster C. Mottram | 6-1 6-2 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.