Head to head
0
Hard
2
2
Carpet
0
Sandy Mayer's wins on the left · Robert Lutz's on the right · bar lengths share one scale
All meetings (4)
| 1981 | Rotterdam WCT | Carpet | R32 | Sandy Mayer | 6-3 6-1 |
| 1978 | Milan WCT | Carpet | QF | Sandy Mayer | 6-4 6-2 |
| 1976 | Maui | Hard | R32 | Robert Lutz | 7-6 4-6 7-6 |
| 1975 | Sydney-1 | Hard | QF | Robert Lutz | 6-3 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.