Thomas Muster defeated Michael Chang 6-3 4-6 7-6 in the Cincinnati Masters semi-final on hard. The upset overturned the form book — Michael Chang came in leading the head-to-head 2–0. Thomas Muster claimed a first win over Michael Chang in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-10 | Rome Masters | R64 | clay | Michael Chang | 7-6(5) 6-7(4) 6-4 |
| 1997-03-10 | Indian Wells Masters | SF | hard | Michael Chang | 6-1 7-6(1) |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (129 vs 200). ATP, WTA & Challenger.