Xin Yuan Yu defeated Hyun Woo Nam 6-3 6-1 in the Japan F8 qualifying round on hard. The upset overturned the form book — Hyun Woo Nam came in leading the head-to-head 1–0. Xin Yuan Yu claimed a first win over Hyun Woo Nam in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-11-17 | China 2 2 | R16 | hard | Hyun Woo Nam | 6-1 7-5 |
Averages over each player's completed matches in the selected window (3 vs 15). 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