Head to head
2
Clay
2
Pablo Arraya's wins on the left · Cassio Motta's on the right · bar lengths share one scale
All meetings (4)
| 1988 | Geneva | Clay | R32 | Pablo Arraya | 6-7 6-0 6-1 |
| 1984 | Washington | Clay | R32 | Pablo Arraya | 6-3 6-4 |
| 1984 | Davis Cup AME QF: BRA vs PER | Clay | RR | Cassio Motta | 6-3 6-2 6-4 |
| 1982 | Zell Am See WCT | Clay | R16 | Cassio Motta | 7-6 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.