Head to head
2
Clay
0
Gene Mayer's wins on the left · Emilio Montano's on the right · bar lengths share one scale
All meetings (2)
| 1980 | Washington-2 | Clay | R64 | Gene Mayer | 6-2 6-4 |
| 1977 | Santiago | Clay | R16 | Gene Mayer | 6-3 6-1 |
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.