Head to head
1
Hard
4
0
Carpet
1
Sjeng Schalken's wins on the left · Andre Agassi's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2001 | Washington | Hard | SF | Sjeng Schalken | 3-6 6-4 6-4 |
| 2000 | Australian Open | Hard | R64 | Andre Agassi | 7-5 6-0 6-3 |
| 1999 | Paris Masters | Carpet | R16 | Andre Agassi | 6-4 3-6 6-2 |
| 1999 | Stuttgart Masters | Hard | R16 | Andre Agassi | 6-4 6-2 |
| 1997 | Davis Cup WG QF: USA vs NED | Hard | RR | Andre Agassi | 7-6(6) 6-4 7-6(2) |
| 1996 | Indian Wells Masters | Hard | R32 | Andre Agassi | 6-1 4-6 6-3 |
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.