Tetsuya Chaen defeated Tetsuya Sato 6-1 6-2 in the Japan 1 Masters 4 round of 32 on hard. The result followed the form book — Tetsuya Chaen came in leading the head-to-head 1–0. Tetsuya Chaen extended the head-to-head to 2–0.
Chaen T. took it in straight sets.