Head to head
0
Hard
1
1
Clay
0
1
Carpet
0
Gustavo Kuerten's wins on the left · Younes El Aynaoui's on the right · bar lengths share one scale
All meetings (5)
| 2003 | Long Island | Hard | QF | Younes El Aynaoui | 7-6(4) 6-4 |
| 2003 | Barcelona | Clay | R16 | Gustavo Kuerten | W/O |
| 2002 | Lyon | Carpet | R32 | Gustavo Kuerten | 6-7(3) 6-2 6-4 |
| 2001 | Monte Carlo Masters | Clay | R64 | Gustavo Kuerten | 6-4 4-6 6-4 |
| 2000 | Rome Masters | Clay | R16 | Gustavo Kuerten | W/O |
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.