Chu Huan Yi defeated Young Jun Kim 7-6 6-1 in the Japan F4 semi-final on clay. The upset overturned the form book — Young Jun Kim came in leading the head-to-head 1–0. Chu Huan Yi claimed a first win over Young Jun Kim in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-04-16 | Chinese Taipei F2 | R32 | hard | Young Jun Kim | 7-6(3) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.