Head to head
2
Hard
1
0
Clay
1
Karol Kucera's wins on the left · Guillermo Canas's on the right · bar lengths share one scale
All meetings (4)
| 2002 | Chennai | Hard | QF | Karol Kucera | 6-1 7-5 |
| 2002 | Roland Garros | Clay | R128 | Guillermo Canas | 6-7(3) 6-4 6-2 6-2 |
| 2001 | Chennai | Hard | SF | Guillermo Canas | 4-6 6-3 6-3 |
| 1996 | Long Island | Hard | R32 | Karol Kucera | 2-6 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.