Dong Ju Kim defeated Young Seok Lee 6-2 6-3 in the M25 Changwon 1 q16 on hard. The result followed the form book — Dong Ju Kim came in leading the head-to-head 1–0. Dong Ju Kim extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-04 | M25 Daegu 1 | Q64 | hard | Dong Ju Kim | 6-2 3-6 10-7 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.