Head to head
1
Clay
0
John McEnroe's wins on the left · Werner Zirngibl's on the right · bar lengths share one scale
All meetings (1)
| 1977 | Toronto-2 | Clay | R64 | John McEnroe | 6-4 2-6 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.