Head to head
0
Hard
1
2
Carpet
0
Buster C. Mottram's wins on the left · Tim Gullikson's on the right · bar lengths share one scale
All meetings (3)
| 1979 | US Open | Hard | R32 | Tim Gullikson | 3-6 6-3 6-4 6-2 |
| 1978 | Philadelphia WCT | Carpet | R32 | Buster C. Mottram | 1-6 6-3 6-2 |
| 1975 | London-2 | Carpet | R32 | Buster C. Mottram | 6-2 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.