Head to head
1
Hard
2
2
Clay
1
Felix Mantilla's wins on the left · Sjeng Schalken's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2004 | Chennai | Hard | QF | Sjeng Schalken | 6-2 5-7 7-6(6) |
| 2002 | Cincinnati Masters | Hard | R64 | Sjeng Schalken | 7-6(3) 4-6 6-3 |
| 2002 | Auckland | Hard | R16 | Felix Mantilla | 6-4 6-4 |
| 2000 | Barcelona | Clay | R64 | Felix Mantilla | 6-1 6-3 |
| 1995 | Buenos Aires | Clay | R32 | Felix Mantilla | 7-5 6-0 |
| 1995 | Valencia | Clay | SF | Sjeng Schalken | 6-4 4-6 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.