Head to head
1
Hard
2
1
Carpet
1
Sandy Mayer's wins on the left · Roscoe Tanner's on the right · bar lengths share one scale
All meetings (5)
| 1983 | US Open | Hard | R64 | Roscoe Tanner | 7-6 6-4 2-6 4-6 7-6 |
| 1983 | Los Angeles | Hard | R16 | Sandy Mayer | 6-3 6-3 |
| 1981 | Wembley | Carpet | QF | Sandy Mayer | 6-4 5-7 6-1 |
| 1975 | St. Petersburg WCT | Carpet | QF | Roscoe Tanner | 7-5 6-3 |
| 1974 | Christchurch | Hard | SF | Roscoe Tanner | 4-6 6-3 6-3 |
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.