Head to head
0
Hard
1
0
Clay
1
2
Grass
0
Mark Edmondson's wins on the left · Peter McNamara's on the right · bar lengths share one scale
All meetings (4)
| 1981 | Australian Open | Grass | QF | Mark Edmondson | 7-5 7-6 6-3 |
| 1980 | Sydney-1 | Hard | R32 | Peter McNamara | 6-3 6-2 |
| 1980 | Gstaad | Clay | R16 | Peter McNamara | 1-6 6-3 6-3 |
| 1975 | Wimbledon | Grass | R128 | Mark Edmondson | 6-1 6-2 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.