Head to head
1
Clay
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Gilbert Schaller's wins on the left · Carlos Costa's on the right · bar lengths share one scale
All meetings (2)
| 1996 | Umag | Clay | R16 | Gilbert Schaller | 4-6 6-2 6-0 |
| 1992 | Roland Garros | Clay | R64 | Carlos Costa | 7-6(7) 6-3 6-2 |
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.