Head to head
2
Hard
0
1
Grass
0
1
Carpet
1
John McEnroe's wins on the left · Richey Reneberg's on the right · bar lengths share one scale
All meetings (5)
| 1990 | Philadelphia | Carpet | R32 | Richey Reneberg | 6-7 6-3 6-3 |
| 1989 | Montreal | Hard | R16 | John McEnroe | 6-3 7-6 |
| 1989 | Wimbledon | Grass | R64 | John McEnroe | 6-3 3-6 6-3 7-5 |
| 1988 | San Francisco | Carpet | R32 | John McEnroe | 6-3 6-2 |
| 1987 | US Open | Hard | R64 | John McEnroe | 7-6 2-6 6-4 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.