Head to head
0
Hard
1
1
Clay
0
Guillermo Canas's wins on the left · Jan Siemerink's on the right · bar lengths share one scale
All meetings (2)
| 1999 | Roland Garros | Clay | R128 | Guillermo Canas | 7-6(2) 4-6 6-2 6-4 |
| 1998 | Toulouse | Hard | R32 | Jan Siemerink | 6-3 6-4 |
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.