Head to head
0
Clay
1
1
Carpet
0
John James's wins on the left · Pat Dupre's on the right · bar lengths share one scale
All meetings (2)
| 1978 | Munich | Clay | R32 | Pat Dupre | 6-1 7-5 |
| 1977 | Helsinki | Carpet | R32 | John James | 6-3 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.