Head to head
Rivalry summary
Belus Prajoux and Alvaro Fillol met 2 times on the ATP tour between 1976 and 1980. Their head-to-head is level at 1–1. By surface, they are level 1–1 on clay.
1
Clay
1
Belus Prajoux's wins on the left · Alvaro Fillol'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.