Head to head
4
Clay
0
1
Grass
0
1
Carpet
2
Jaime Fillol Sr.'s wins on the left · Ross Case's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 1981 | Mexico City | Clay | QF | Jaime Fillol Sr. | 7-5 6-4 |
| 1976 | Louisville | Clay | R16 | Jaime Fillol Sr. | 4-6 7-6 7-5 |
| 1976 | Wimbledon | Grass | R64 | Jaime Fillol Sr. | 8-9 6-4 6-8 9-8 6-2 |
| 1975 | Charlotte WCT | Clay | R16 | Jaime Fillol Sr. | 6-3 5-7 6-1 |
| 1974 | New Orleans WCT | Carpet | R32 | Ross Case | 3-6 7-6 7-6 |
| 1974 | St. Petersburg WCT | Carpet | R32 | Ross Case | 6-4 5-7 6-4 |
| 1973 | Clemmons | Clay | QF | Jaime Fillol Sr. | 6-2 6-3 |
| 1972 | Seattle | Carpet | QF | Jaime Fillol Sr. | 1-6 6-1 6-4 |
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.