Head to head
1
Clay
2
0
Grass
1
0
Carpet
1
Julian Ganzabal's wins on the left · Jaime Fillol Sr.'s on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1975 | Buenos Aires | Clay | R16 | Jaime Fillol Sr. | 6-2 6-3 |
| 1975 | St. Louis WCT | Carpet | R32 | Jaime Fillol Sr. | 6-3 6-3 |
| 1974 | Wimbledon | Grass | R64 | Jaime Fillol Sr. | 6-4 6-3 6-4 |
| 1973 | Davis Cup SAM F: ARG vs CHI | Clay | RR | Jaime Fillol Sr. | 7-5 9-11 5-7 6-2 6-1 |
| 1971 | Davis Cup SAM SF: CHI vs ARG | RR | Julian Ganzabal | 6-3 2-6 8-6 6-4 | |
| 1970 | Davis Cup SAM QF: ARG vs CHI | Clay | RR | Julian Ganzabal | 4-6 1-6 6-4 6-4 6-2 |
| 1969 | Davis Cup SAM QF: CHI vs ARG | RR | Julian Ganzabal | 6-3 5-7 6-1 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.