Head to head
1
Grass
0
0
Carpet
1
Byron Bertram's wins on the left · Colin Dibley's on the right · bar lengths share one scale
All meetings (2)
| 1977 | Wimbledon | Grass | R128 | Byron Bertram | 6-4 3-6 2-6 6-3 6-2 |
| 1977 | Denver | Carpet | R16 | Colin Dibley | 6-2 3-6 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.