Aiko Yoshitomi defeated Ji Hee Choi 6-2 6-2 in the Tokyo $100K qualifying round on hard. The upset overturned the form book — Ji Hee Choi came in leading the head-to-head 1–0, but Aiko Yoshitomi had been the form player, winning 5 of their last 9 on hard. Aiko Yoshitomi claimed a first win over Ji Hee Choi in two meetings, levelling the head-to-head at 1–1.
Yoshitomi A. took it in straight sets.
Aiko Yoshitomi beat Ji Hee Choi 6-2 6-2. Umpiry, "Aiko Yoshitomi vs Ji Hee Choi — Tokyo $100K Qualifying Round", https://umpiry.com/match/2015-11-16/choi-vs-yoshitomi-tokyo-100k-qf?utm_source=cite (as of 16 November 2015).