Head to head
2
Clay
0
Ricardo Acuna's wins on the left · Roger Guedes's on the right · bar lengths share one scale
All meetings (2)
| 1979 | Santiago | Clay | R32 | Ricardo Acuna | 6-1 3-6 6-4 |
| 1979 | Quito | Clay | R32 | Ricardo Acuna | 3-6 7-5 6-3 |
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.