Jae Sung An defeated Hiroki Kondo 6-4 6-3 in the Japan F5 round of 16 on carpet. The result followed the form book — Jae Sung An came in leading the head-to-head 2–0. Jae Sung An extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-10-08 | Japan F8 | R32 | hard | Jae Sung An | 7-5 6-2 |
| 2011-05-30 | Korea F3 | R32 | hard | Jae Sung An | 2-6 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.