Michael Chang defeated Hendrik Dreekmann 7-5 6-3 in the Hong Kong round of 16 on hard. The upset overturned the form book — Hendrik Dreekmann came in leading the head-to-head 2–0. Michael Chang claimed a first win over Hendrik Dreekmann in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-04-05 | Hong Kong | R16 | hard | Hendrik Dreekmann | 3-6 7-5 6-4 |
| 1998-04-13 | Tokyo | R16 | hard | Hendrik Dreekmann | 6-2 5-7 6-4 |
Averages over each player's completed matches in the selected window (200 vs 92). 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