Head to head
2
Clay
0
1
Grass
1
1
Carpet
1
Colin Dibley's wins on the left · Onny Parun's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1976 | Hampton | Carpet | R16 | Colin Dibley | 2-6 7-6 6-4 |
| 1976 | Auckland | Grass | QF | Onny Parun | 1-6 7-6 7-6 6-3 |
| 1973 | Atlanta WCT | Carpet | R16 | Onny Parun | 7-6(5) 6-1 |
| 1972 | Adelaide-2 | Grass | QF | Colin Dibley | 7-6 6-4 6-4 |
| 1972 | Indianapolis | Clay | R32 | Colin Dibley | 6-2 6-4 |
| 1972 | Kitzbuhel | Clay | SF | Colin Dibley | 6-4 3-6 7-5 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.