Head to head
0
Grass
1
2
Carpet
0
Gene Mayer's wins on the left · Tom Okker's on the right · bar lengths share one scale
All meetings (3)
| 1979 | Wimbledon | Grass | R16 | Tom Okker | 7-6 5-7 6-4 6-4 |
| 1979 | Rotterdam WCT | Carpet | R32 | Gene Mayer | 6-3 7-5 |
| 1977 | Baltimore | Carpet | R32 | Gene Mayer | 3-6 6-3 6-4 |
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.