Head to head
0
Grass
1
0
Carpet
1
Leif Shiras's wins on the left · John McEnroe's on the right · bar lengths share one scale
All meetings (2)
| 1990 | Toronto-1 | Carpet | R16 | John McEnroe | 6-4 6-3 |
| 1984 | Queen's Club | Grass | F | John McEnroe | 6-1 3-6 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.