Head to head
0
Hard
1
0
Clay
1
1
Grass
1
Sandy Mayer's wins on the left · Frew McMillan's on the right · bar lengths share one scale
All meetings (4)
| 1977 | Carlsbad | Hard | R64 | Frew McMillan | 6-4 3-6 6-4 |
| 1974 | Wimbledon | Grass | R128 | Sandy Mayer | 3-6 9-7 5-7 6-2 6-4 |
| 1972 | US Open | Grass | R16 | Frew McMillan | 6-3 6-4 3-6 6-7 6-4 |
| 1972 | Cincinnati | Clay | QF | Frew McMillan | 2-6 6-3 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.