Head to head
0
Grass
1
1
Carpet
0
Darren Cahill's wins on the left · John McEnroe's on the right · bar lengths share one scale
All meetings (2)
| 1991 | San Francisco | Carpet | QF | Darren Cahill | 7-6 3-6 6-3 |
| 1989 | Wimbledon | Grass | R128 | John McEnroe | 4-6 4-6 6-2 6-3 8-6 |
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.