Yuta Shimizu defeated Seong Chan Hong 6-1 6-1 in the M15 Gimcheon 1 quarter-final on hard. The upset overturned the form book — Seong Chan Hong came in leading the head-to-head 1–0. Yuta Shimizu claimed a first win over Seong Chan Hong in two meetings, narrowing the head-to-head to 1–1.
Shimizu Y. took it in straight sets.