Head to head
0
Hard
1
1
Clay
0
John Alexander's wins on the left · Pat Dupre's on the right · bar lengths share one scale
All meetings (2)
| 1978 | Hong Kong | Hard | R16 | Pat Dupre | 4-6 6-3 6-4 |
| 1978 | Louisville | Clay | R32 | John Alexander | 6-1 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.