Head to head
1
Clay
1
Alvaro Fillol's wins on the left · Belus Prajoux's on the right · bar lengths share one scale
All meetings (2)
| 1980 | Bogota | Clay | R32 | Alvaro Fillol | 6-3 6-2 |
| 1976 | Santiago | Clay | QF | Belus Prajoux | 6-3 7-5 |
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.