Head to head
1
Hard
0
1
Carpet
0
Byron Bertram's wins on the left · John Yuill's on the right · bar lengths share one scale
All meetings (2)
| 1978 | Springfield | Carpet | R16 | Byron Bertram | 6-4 7-6 |
| 1971 | Durban | Hard | R32 | Byron Bertram | 6-7 7-5 6-2 |
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.