Head to head
0
Clay
1
1
Grass
0
John James's wins on the left · Victor Amaya's on the right · bar lengths share one scale
All meetings (2)
| 1978 | Newport | Grass | R16 | John James | 6-3 2-6 7-6 |
| 1975 | South Orange | Clay | R16 | Victor Amaya | 6-2 6-3 |
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.