Mi Yoo defeated Yan Ze Xie 7-6 3-6 6-2 in the Nanjing 2 25K round of 16 on hard. The upset overturned the form book — Yan Ze Xie came in leading the head-to-head 1–0, but Mi Yoo had been the form player, winning 6 of their last 8 on hard. Mi Yoo claimed a first win over Yan Ze Xie in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-02-09 | Jiangmen 10K | R16 | hard | Yan Ze Xie | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.