Head to head
1
Clay
3
Patricio Cornejo's wins on the left · Jaime Fillol Sr.'s on the right · bar lengths share one scale
All meetings (4)
| 1977 | Buenos Aires-2 | Clay | QF | Jaime Fillol Sr. | 6-1 6-0 |
| 1977 | Boston | Clay | QF | Jaime Fillol Sr. | 6-2 6-1 |
| 1977 | Toronto-2 | Clay | R32 | Jaime Fillol Sr. | 7-5 7-5 |
| 1974 | Roland Garros | Clay | R16 | Patricio Cornejo | 6-2 7-6 4-6 5-7 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.