Head to head
1
Carpet
1
Sandy Mayer's wins on the left · Butch Walts's on the right · bar lengths share one scale
All meetings (2)
| 1983 | Philadelphia | Carpet | R32 | Butch Walts | 6-4 5-7 6-4 |
| 1981 | Milan WCT | Carpet | QF | Sandy Mayer | 6-2 4-6 7-5 |
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.