Head to head
1
Hard
0
1
Grass
0
1
Carpet
0
John McEnroe's wins on the left · Tom Okker's on the right · bar lengths share one scale
All meetings (3)
| 1980 | Wimbledon | Grass | R32 | John McEnroe | 6-0 7-6 6-1 |
| 1978 | Wembley | Carpet | R16 | John McEnroe | 6-2 6-3 |
| 1978 | Stockholm | Hard | QF | John McEnroe | 6-3 7-6 |
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.