Shuichi Sekiguchi defeated Takuto Niki 6-4 6-7 6-3 in the M15 Nishi-Tokyo 1 semi-final on hard. The upset overturned the form book — Takuto Niki came in leading the head-to-head 2–1, but Shuichi Sekiguchi had been the form player, winning 5 of their last 7 on hard. Shuichi Sekiguchi narrowed the head-to-head to 2–2.
Sekiguchi S. came through in three sets.
Hard: Sekiguchi S. leads 2–1 · Grass: Niki T. leads 1–0