Head to head
0
Hard
1
0
Clay
1
1
Carpet
1
Joakim Nystrom's wins on the left · John McEnroe's on the right · bar lengths share one scale
All meetings (4)
| 1985 | US Open | Hard | QF | John McEnroe | 6-1 6-0 7-5 |
| 1985 | Roland Garros | Clay | QF | John McEnroe | 6-7 6-2 6-2 3-6 7-5 |
| 1985 | WCT Finals | Carpet | QF | Joakim Nystrom | 6-4 7-6 6-3 |
| 1984 | Madrid | Carpet | R16 | John McEnroe | 6-2 6-4 |
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.