Head to head
1
Clay
0
1
Carpet
0
Juan Gisbert Sr's wins on the left · Gene Mayer's on the right · bar lengths share one scale
All meetings (2)
| 1976 | Bastad | Clay | R64 | Juan Gisbert Sr | 6-3 6-1 |
| 1975 | Hampton | Carpet | R32 | Juan Gisbert Sr | 6-4 6-1 |
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.