Head to head
1
Hard
2
0
Clay
4
Nicolas Kiefer's wins on the left · Guillermo Coria's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 2006 | Monte Carlo Masters | Clay | R16 | Guillermo Coria | 6-7(5) 6-4 6-3 |
| 2005 | Rome Masters | Clay | R32 | Guillermo Coria | 6-1 6-1 |
| 2004 | Monte Carlo Masters | Clay | R32 | Guillermo Coria | 6-0 6-3 |
| 2004 | Miami Masters | Hard | QF | Guillermo Coria | 6-3 6-3 |
| 2004 | Auckland | Hard | R32 | Guillermo Coria | 7-6(4) 6-3 |
| 2003 | Roland Garros | Clay | R64 | Guillermo Coria | 6-3 5-7 6-3 6-1 |
| 2000 | Washington | Hard | R32 | Nicolas Kiefer | 4-6 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.