Head to head
0
Hard
2
3
Clay
0
0
Grass
1
Jaime Fillol Sr.'s wins on the left · Buster C. Mottram's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1983 | Davis Cup WG PO: GBR vs CHI | Grass | RR | Buster C. Mottram | 6-4 6-2 |
| 1982 | La Quinta | Hard | R32 | Buster C. Mottram | 6-4 6-1 |
| 1976 | Toronto-2 | Clay | R16 | Jaime Fillol Sr. | 6-2 7-5 |
| 1975 | Johannesburg-2 | Hard | R32 | Buster C. Mottram | 7-6 6-2 |
| 1974 | Charlotte WCT | Clay | R32 | Jaime Fillol Sr. | 6-2 6-3 |
| 1973 | Madrid-2 | Clay | SF | Jaime Fillol Sr. | 4-6 6-3 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.