Head to head
0
Hard
1
1
Grass
0
0
Carpet
2
Stan Smith's wins on the left · Gene Mayer's on the right · bar lengths share one scale
All meetings (4)
| 1980 | Wembley | Carpet | SF | Gene Mayer | 6-0 6-4 |
| 1980 | Los Angeles | Hard | QF | Gene Mayer | 6-4 6-1 |
| 1980 | Denver | Carpet | SF | Gene Mayer | 6-4 6-3 |
| 1977 | Queen's Club | Grass | R64 | Stan Smith | 6-1 6-2 |
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.