Head to head
1
Hard
0
0
Carpet
1
Colin Dibley's wins on the left · Tom Okker's on the right · bar lengths share one scale
All meetings (2)
| 1978 | Las Vegas-2 | Hard | R32 | Colin Dibley | 7-5 3-6 6-4 |
| 1976 | Wembley | Carpet | R16 | Tom Okker | 6-2 7-6 |
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.