Jan Siemerink defeated Michael Chang 7-5 6-3 in the Indian Wells Masters round of 64 on hard. The upset overturned the form book — Michael Chang came in leading the head-to-head 2–0, but Jan Siemerink had been the form player, winning 2 of their last 5 on hard. Jan Siemerink claimed a first win over Michael Chang in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-04-13 | Hong Kong | QF | hard | Michael Chang | 6-3 6-2 |
| 1991-05-27 | Roland Garros | R128 | clay | Michael Chang | 6-2 6-0 6-3 |
Averages over each player's completed matches in the selected window (91 vs 189). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About