Head to head
1
Clay
0
1
Carpet
0
Gene Mayer's wins on the left · John Feaver's on the right · bar lengths share one scale
All meetings (2)
| 1977 | Cincinnati | Clay | R32 | Gene Mayer | 6-4 6-4 |
| 1975 | Salisbury | Carpet | R64 | Gene Mayer | 6-3 3-6 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.