Head to head
1
Hard
0
1
Clay
0
1
Carpet
1
Roscoe Tanner's wins on the left · Gene Mayer's on the right · bar lengths share one scale
All meetings (4)
| 1981 | Memphis | Carpet | F | Gene Mayer | 6-2 6-4 |
| 1979 | Rancho Mirage | Hard | R16 | Roscoe Tanner | 4-6 6-4 6-3 |
| 1977 | Columbus | Clay | R64 | Roscoe Tanner | 6-2 1-6 6-3 |
| 1976 | Birmingham | Carpet | R16 | Roscoe Tanner | 6-3 6-0 |
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.