Head to head
0
Hard
1
1
Clay
0
3
Grass
0
2
Carpet
0
John Newcombe's wins on the left · Colin Dibley's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1978 | Los Angeles | Carpet | R32 | John Newcombe | 6-2 6-1 |
| 1977 | Australian Open-2 | Grass | R32 | John Newcombe | 6-4 7-6 6-3 |
| 1974 | Sydney-3 | Grass | R16 | John Newcombe | 6-4 6-3 |
| 1973 | Tokyo | Clay | QF | John Newcombe | 7-6 6-3 |
| 1973 | Las Vegas | Hard | R16 | Colin Dibley | 6-3 5-7 6-4 |
| 1972 | Essen WCT | Carpet | R16 | John Newcombe | 6-3 6-4 |
| 1971 | Wimbledon | Grass | QF | John Newcombe | 6-1 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.