Head to head
0
Hard
1
1
Grass
1
Jeff Simpson's wins on the left · Colin Dibley's on the right · bar lengths share one scale
All meetings (3)
| 1976 | Auckland | Grass | R16 | Colin Dibley | 6-2 6-1 |
| 1974 | Maui | Hard | R32 | Colin Dibley | 7-6 6-1 |
| 1974 | Nottingham | Grass | R64 | Jeff Simpson | 6-3 2-6 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.