Head to head
3
Hard
0
1
Clay
1
Tommy Haas's wins on the left · Igor Sijsling's on the right · bar lengths share one scale
All meetings (5)
| 2014 | Rome Masters | Clay | R32 | Tommy Haas | 7-6(6) 6-1 |
| 2014 | Madrid Masters | Clay | R64 | Igor Sijsling | 3-6 6-1 6-4 |
| 2013 | Miami Masters | Hard | R64 | Tommy Haas | 6-0 5-7 6-3 |
| 2013 | Delray Beach | Hard | R32 | Tommy Haas | 5-7 6-4 RET |
| 2013 | Auckland | Hard | R16 | Tommy Haas | 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.