Head to head
2
Hard
0
1
Clay
0
1
Grass
1
John Alexander's wins on the left · Mark Edmondson's on the right · bar lengths share one scale
All meetings (5)
| 1984 | Cincinnati | Hard | R64 | John Alexander | 7-6 6-1 |
| 1982 | Sydney-1 | Hard | R16 | John Alexander | 7-5 6-3 |
| 1979 | Rome | Clay | R64 | John Alexander | 5-7 7-5 6-4 |
| 1978 | Brisbane | Grass | F | Mark Edmondson | 6-4 7-6 |
| 1974 | Australian Open | Grass | R32 | John Alexander | 6-3 6-4 4-6 6-1 |
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.