Head to head
1
Clay
0
1
Grass
1
Sandy Mayer's wins on the left · Jean-Baptiste Chanfreau's on the right · bar lengths share one scale
All meetings (3)
| 1973 | Haverford | Grass | R16 | Jean-Baptiste Chanfreau | 1-6 6-4 6-4 |
| 1973 | Gstaad | Clay | R32 | Sandy Mayer | 6-3 8-9 6-1 |
| 1972 | US Open | Grass | R128 | Sandy Mayer | 6-4 6-1 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.