Head to head
Rivalry summary
Gene Mayer and John Sadri met 4 times on the ATP tour between 1979 and 1982. Gene Mayer leads the head-to-head 3–1 against John Sadri. By surface, Mayer leads 2–0 on hard; they are level 1–1 on carpet. They contested 1 finals, with Mayer winning 1 of them.
2
Hard
0
1
Carpet
1
Gene Mayer's wins on the left · John Sadri's on the right · bar lengths share one scale
All meetings (4)
| 1982 | Rotterdam | Carpet | R16 | John Sadri | 6-2 1-0 RET |
| 1981 | Denver | Carpet | F | Gene Mayer | 6-4 6-4 |
| 1980 | Sydney-1 | Hard | QF | Gene Mayer | 7-6 6-4 |
| 1979 | Rancho Mirage | Hard | R32 | Gene Mayer | 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.