Sang Hoon Lee defeated Yong Il Yoon 6-4 6-4 in the Korea Masters 2 round of 16 on hard. The upset overturned the form book — Yong Il Yoon came in leading the head-to-head 2–0. Sang Hoon Lee claimed a first win over Yong Il Yoon in three meetings, narrowing the head-to-head to 2–1.
Hoon Lee S. took it in straight sets.
Hard: level 1–1 · Clay: Yoon Y. leads 1–0