Head to head
Rivalry summary
Mark Koevermans and Andres Vysand met 2 times on the ATP tour between 1991 and 1992. Their head-to-head is level at 1–1. By surface, they are level 1–1 on clay.
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Clay
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Mark Koevermans's wins on the left · Andres Vysand's on the right · bar lengths share one scale
All meetings (2)
| 1992 | Genova | Clay | R32 | Mark Koevermans | 6-3 6-3 |
| 1991 | Florence | Clay | R32 | Andres Vysand | 6-2 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.