Head to head
0
Hard
1
1
Clay
0
0
Grass
1
0
Carpet
1
Terry Moor's wins on the left · Sandy Mayer's on the right · bar lengths share one scale
All meetings (4)
| 1982 | Philadelphia | Carpet | R16 | Sandy Mayer | 7-6 6-4 |
| 1979 | Queen's Club | Grass | R32 | Sandy Mayer | 6-3 7-6 |
| 1979 | Rome | Clay | R32 | Terry Moor | 6-3 6-1 |
| 1977 | Maui | Hard | R16 | Sandy Mayer | 6-3 2-6 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.