Head to head
Rivalry summary
Byron Bertram and Allan McDonald met 1 times on the ATP tour between 1970 and 1970. Byron Bertram leads the head-to-head 1–0 against Allan McDonald.
1
Grass
0
Byron Bertram's wins on the left · Allan McDonald's on the right · bar lengths share one scale
All meetings (1)
| 1970 | Beckenham | Grass | R32 | Byron Bertram | 6-3 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.