Head to head
0
Hard
1
0
Clay
1
1
Grass
1
1
Carpet
2
John Sadri'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 (7)
| 1985 | Wimbledon | Grass | R64 | Vitas Gerulaitis | 5-7 6-4 3-6 7-6 6-4 |
| 1984 | Treviso | Carpet | SF | Vitas Gerulaitis | 6-7 6-3 6-2 |
| 1984 | Wimbledon | Grass | R16 | John Sadri | 6-3 7-5 6-7 4-6 6-3 |
| 1981 | Monterrey WCT | Carpet | QF | Vitas Gerulaitis | 6-7 6-2 6-3 |
| 1980 | Forest Hills WCT | Clay | R32 | Vitas Gerulaitis | 4-6 7-6 7-6 |
| 1980 | Philadelphia WCT | Carpet | R32 | John Sadri | 6-4 6-4 |
| 1979 | Little Rock | Hard | QF | Vitas Gerulaitis | 6-1 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.