Head to head
1
Hard
1
Colin Dowdeswell's wins on the left · Pascal Portes's on the right · bar lengths share one scale
All meetings (2)
| 1979 | Johannesburg-1 | Hard | R32 | Pascal Portes | 6-4 4-6 6-2 |
| 1978 | Johannesburg-1 | Hard | R16 | Colin Dowdeswell | 6-4 5-7 7-5 |
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.