Head to head
2
Clay
0
Carlos Castellan's wins on the left · Ricardo Acuna's on the right · bar lengths share one scale
All meetings (2)
| 1981 | Santiago | Clay | R16 | Carlos Castellan | 6-3 6-2 |
| 1981 | Hilversum | Clay | R32 | Carlos Castellan | 7-5 6-1 |
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.