Head to head
3
Hard
0
2
Carpet
1
Gene Mayer's wins on the left · Fritz Buehning's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1983 | Rotterdam | Hard | SF | Gene Mayer | 6-2 6-1 |
| 1982 | Monterrey | Carpet | QF | Fritz Buehning | 4-6 6-4 6-1 |
| 1981 | Stockholm | Hard | R16 | Gene Mayer | W/O |
| 1981 | US Open | Hard | R64 | Gene Mayer | 6-4 6-2 6-3 |
| 1980 | San Francisco | Carpet | R16 | Gene Mayer | 6-1 6-2 |
| 1980 | Los Angeles | Hard | R32 | Gene Mayer | 6-2 7-5 |
| 1980 | Denver | Carpet | QF | Gene Mayer | 7-6 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.