Head to head
3
Clay
1
Buster C. Mottram's wins on the left · Ivan Molina's on the right · bar lengths share one scale
All meetings (4)
| 1977 | Boston | Clay | R32 | Ivan Molina | 3-6 7-5 7-6 |
| 1977 | Dusseldorf | Clay | QF | Buster C. Mottram | 6-1 4-6 6-2 |
| 1975 | Boston | Clay | R64 | Buster C. Mottram | 6-1 3-6 6-2 |
| 1973 | Madrid-2 | Clay | R16 | Buster C. Mottram | 7-6 6-1 |
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.