Head to head
1
Clay
0
1
Carpet
0
Gene Mayer's wins on the left · Trey Waltke's on the right · bar lengths share one scale
All meetings (2)
| 1980 | Rome | Clay | R64 | Gene Mayer | 7-5 6-2 |
| 1978 | Mexico City-1 | Carpet | R32 | Gene Mayer | 6-1 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.