Head to head
2
Hard
0
Michael Chang's wins on the left · Tommy Haas's on the right · bar lengths share one scale
All meetings (2)
| 2002 | Cincinnati Masters | Hard | R64 | Michael Chang | 6-3 6-2 |
| 1998 | San Jose | Hard | QF | Michael Chang | 6-3 6-7(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.