Head to head
2
Clay
0
1
Grass
0
Buster C. Mottram's wins on the left · Hans Kary's on the right · bar lengths share one scale
All meetings (3)
| 1978 | Davis Cup EUR QF: GBR vs AUT | Grass | RR | Buster C. Mottram | 6-2 6-3 6-1 |
| 1976 | Louisville | Clay | R64 | Buster C. Mottram | 3-6 6-1 6-4 |
| 1973 | Bournemouth | Clay | R16 | Buster C. Mottram | 6-0 6-4 |
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.