Head to head
1
Hard
4
0
Grass
2
2
Carpet
4
Peter Fleming's wins on the left · John McEnroe's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (13)
| 1986 | Stratton Mountain | Hard | R32 | John McEnroe | 6-1 6-4 |
| 1985 | Houston | Carpet | SF | John McEnroe | 6-4 6-0 |
| 1984 | Toronto | Hard | QF | John McEnroe | 6-2 6-4 |
| 1984 | Philadelphia | Carpet | R32 | John McEnroe | 6-4 6-2 |
| 1981 | Montreal | Hard | R32 | John McEnroe | 6-3 6-2 |
| 1980 | Wimbledon | Grass | QF | John McEnroe | 6-3 6-2 6-2 |
| 1979 | San Francisco | Carpet | F | John McEnroe | 4-6 7-5 6-2 |
| 1979 | Los Angeles | Carpet | F | Peter Fleming | 6-4 6-4 |
| 1979 | San Jose-2 | Carpet | F | John McEnroe | 7-6 7-6 |
| 1978 | WCT Challenge Cup | Hard | RR | Peter Fleming | 6-5 4-6 6-4 |
| 1978 | Bologna | Carpet | SF | Peter Fleming | 6-4 6-1 |
| 1978 | US Open | Hard | R32 | John McEnroe | 6-4 6-1 |
| 1978 | Queen's Club | Grass | R64 | John McEnroe | 4-6 7-5 6-3 |
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.