Young Jun Kim defeated Daniel Yoo 6-1 6-4 in the Korea F1 qualifying round on hard. The result followed the form book — Young Jun Kim came in leading the head-to-head 1–0. Young Jun Kim extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-04-20 | Korean Rep F3 | R16 | hard | Young Jun Kim | 7-6(5) 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.