Head to head
0
Hard
3
1
Grass
0
John Alexander's wins on the left · Henry Pfister's on the right · bar lengths share one scale
All meetings (4)
| 1984 | Bristol | Grass | R64 | John Alexander | 6-1 6-2 |
| 1981 | Maui | Hard | SF | Henry Pfister | 6-2 6-2 |
| 1979 | US Open | Hard | R64 | Henry Pfister | 6-3 6-4 3-6 4-6 6-1 |
| 1978 | Sydney-1 | Hard | R32 | Henry Pfister | 6-2 4-6 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.