Seung Ri Sohn defeated Seung Ho Ji 6-0 7-6 in the Korea Masters 4 qualifying round on clay. The upset overturned the form book — Seung Ho Ji came in leading the head-to-head 1–0. Seung Ri Sohn claimed a first win over Seung Ho Ji in two meetings, narrowing the head-to-head to 1–1.
Ri Sohn S. took it in straight sets.
Clay: Ri Sohn S. leads 1–0 · Hard: Ho Ji S. leads 1–0