Yuta Shimizu defeated Takuto Niki 6-2 7-6 in the M15 Gimcheon 2 quarter-final on hard. The upset overturned the form book — Takuto Niki came in leading the head-to-head 3–0, but Yuta Shimizu had been the form player, winning 3 of their last 7 on hard. Yuta Shimizu claimed a first win over Takuto Niki in four meetings, narrowing the head-to-head to 3–1.
Shimizu Y. took it in straight sets.