Head to head
2
Hard
0
1
Grass
0
2
Carpet
0
John McEnroe's wins on the left · Peter McNamara's on the right · bar lengths share one scale
All meetings (5)
| 1985 | Wimbledon | Grass | R128 | John McEnroe | 6-4 6-3 6-4 |
| 1982 | Tokyo-2 | Carpet | F | John McEnroe | 7-6 7-5 |
| 1982 | Sydney-1 | Hard | QF | John McEnroe | 6-4 6-4 |
| 1982 | Davis Cup WG SF: AUS vs USA | Hard | RR | John McEnroe | 6-4 4-6 6-2 6-4 |
| 1981 | Davis Cup WG SF: USA vs AUS | Carpet | RR | John McEnroe | 9-7 6-0 |
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.