Seung Ho Ji defeated Sang Hoon Lee 6-4 7-5 in the Korea Masters 3 qualifying round on hard. The upset overturned the form book — Sang Hoon Lee came in leading the head-to-head 1–0, but Seung Ho Ji had been the form player, winning 5 of their last 10 on hard. Seung Ho Ji claimed a first win over Sang Hoon Lee in two meetings, narrowing the head-to-head to 1–1.
Ho Ji S. took it in straight sets.
Hard: Ho Ji S. leads 1–0 · Clay: Hoon Lee S. leads 1–0