Head to head
1
Hard
0
0
Clay
1
4
Carpet
4
Sandy Mayer's wins on the left · Vitas Gerulaitis's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (10)
| 1980 | Toronto | Hard | R16 | Sandy Mayer | 7-6 6-3 |
| 1979 | Roland Garros | Clay | R32 | Vitas Gerulaitis | 6-1 6-1 6-2 |
| 1978 | Tokyo-2 | Carpet | QF | Sandy Mayer | 6-3 3-6 6-3 |
| 1978 | Milan WCT | Carpet | SF | Vitas Gerulaitis | 6-7 7-5 6-1 |
| 1978 | Las Vegas WCT | Carpet | QF | Vitas Gerulaitis | 6-4 5-6 6-3 RET |
| 1978 | St. Louis WCT | Carpet | R16 | Sandy Mayer | 6-3 7-6 |
| 1978 | Richmond WCT | Carpet | R32 | Vitas Gerulaitis | 7-5 7-5 |
| 1978 | Philadelphia WCT | Carpet | R16 | Sandy Mayer | 6-2 7-5 |
| 1975 | Denver WCT | Carpet | QF | Sandy Mayer | 6-4 6-4 |
| 1975 | St. Louis WCT | Carpet | R16 | Vitas Gerulaitis | 4-6 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.