Head to head
1
Clay
1
Sergio Casal's wins on the left · Ricki Osterthun's on the right · bar lengths share one scale
All meetings (2)
| 1988 | Munich | Clay | R64 | Sergio Casal | 6-3 6-7 7-6 |
| 1985 | Hilversum | Clay | R16 | Ricki Osterthun | 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.