Head to head
1
Hard
0
1
Clay
0
0
Grass
1
1
Carpet
0
Michael Chang's wins on the left · Thomas Johansson's on the right · bar lengths share one scale
All meetings (4)
| 2001 | Halle | Grass | R32 | Thomas Johansson | 6-2 7-5 |
| 2000 | Roland Garros | Clay | R64 | Michael Chang | 7-6(2) 7-6(5) 2-6 6-3 |
| 1999 | Paris Masters | Carpet | R64 | Michael Chang | 6-7(7) 7-5 6-4 |
| 1997 | Hong Kong | Hard | SF | Michael Chang | 7-6(5) 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.