Ji Sung Nam defeated Kaichi Uchida 4-6 6-2 6-3 in the Korea F8 round of 32 on hard. The result followed the form book — Ji Sung Nam came in leading the head-to-head 1–0. Ji Sung Nam extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-20 | Korea F3 | R16 | hard | Ji Sung Nam | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.