Head to head
0
Hard
1
0
Clay
1
0
Grass
1
1
Carpet
0
Graham Stilwell's wins on the left · Paul Gerken's on the right · bar lengths share one scale
All meetings (4)
| 1974 | Houston WCT | Clay | R32 | Paul Gerken | 3-6 7-6(3) 6-4 |
| 1974 | Palm Desert WCT | Hard | R32 | Paul Gerken | 6-3 6-2 |
| 1974 | Bologna WCT | Carpet | R32 | Graham Stilwell | 4-6 7-6(5) 6-4 |
| 1971 | South Orange | Grass | R64 | Paul Gerken | 6-2 6-3 |
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.