Head to head
2
Hard
0
1
Grass
0
2
Carpet
0
John McEnroe's wins on the left · Stan Smith's on the right · bar lengths share one scale
All meetings (5)
| 1981 | Wimbledon | Grass | R16 | John McEnroe | 7-5 3-6 6-1 6-2 |
| 1981 | Los Angeles | Hard | QF | John McEnroe | 6-2 6-3 |
| 1981 | Frankfurt WCT | Carpet | SF | John McEnroe | 6-2 6-1 |
| 1980 | Las Vegas | Hard | R32 | John McEnroe | 6-3 3-6 7-6 |
| 1979 | Philadelphia WCT | Carpet | R32 | John McEnroe | 7-5 6-1 |
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.