Head to head
Rivalry summary
Eduardo Masso and Horacio de la Pena met 3 times on the ATP tour between 1988 and 1992. Horacio de la Pena leads the head-to-head 3–0 against Eduardo Masso. By surface, Pena leads 2–0 on clay.
0
Hard
1
0
Clay
2
Eduardo Masso's wins on the left · Horacio de la Pena's on the right · bar lengths share one scale
All meetings (3)
| 1992 | Casablanca | Clay | R32 | Horacio de la Pena | 6-3 6-1 |
| 1990 | Palermo | Clay | R32 | Horacio de la Pena | 6-3 3-0 RET |
| 1988 | Rye Brook | Hard | R16 | Horacio de la Pena | 6-1 5-7 6-2 |
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.