Head to head
1
Hard
0
1
Clay
1
Paul Gerken's wins on the left · Colin Dibley's on the right · bar lengths share one scale
All meetings (3)
| 1975 | South Orange | Clay | R32 | Colin Dibley | 6-2 6-7 6-4 |
| 1975 | Tucson | Hard | R64 | Paul Gerken | 7-6 6-1 |
| 1974 | Bretton Woods | Clay | R32 | Paul Gerken | 6-2 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.