Ze Zhang defeated Duck Hee Lee 6-3 7-6 in the Shanghai CH round of 16 on hard. The upset overturned the form book — Duck Hee Lee came in leading the head-to-head 1–0, but Ze Zhang had been the form player, winning 5 of their last 10 on hard. Ze Zhang claimed a first win over Duck Hee Lee in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-01-15 | Australian Open | Q1 | hard | Duck Hee Lee | 6-3 3-6 6-3 |
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 (122 vs 192). ATP, WTA & Challenger.