Head to head
1
Hard
0
0
Clay
1
Victor Amaya's wins on the left · Cliff Richey's on the right · bar lengths share one scale
All meetings (2)
| 1978 | US Open | Hard | R128 | Victor Amaya | 7-5 4-6 6-3 |
| 1976 | US Open | Clay | R128 | Cliff Richey | 6-4 7-6 |
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.