Head to head
1
Grass
1
0
Carpet
1
Ricardo Acuna's wins on the left · John Sadri's on the right · bar lengths share one scale
All meetings (3)
| 1986 | Chicago | Carpet | R32 | John Sadri | 7-6 6-3 |
| 1984 | Wimbledon | Grass | R32 | John Sadri | 7-5 7-6 7-5 |
| 1983 | Queen's Club | Grass | R64 | Ricardo Acuna | 6-4 7-6 |
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.