Woong Sun Jun defeated Shinta Fujii 6-2 3-6 6-2 in the Korea F1 q64 on hard. The upset overturned the form book — Shinta Fujii came in leading the head-to-head 1–0. Woong Sun Jun claimed a first win over Shinta Fujii in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-06 | Korea F2 | Q32 | hard | Shinta Fujii | 6-1 |
Averages over each player's completed matches in the selected window (6 vs 11). 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