Makoto Ochi defeated Sora Fukuda 7-6 6-7 6-2 in the Japan F5 round of 16 on hard. The upset overturned the form book — Sora Fukuda came in leading the head-to-head 1–0. Makoto Ochi claimed a first win over Sora Fukuda in two meetings, levelling the head-to-head at 1–1.
Ochi M. came through in three sets.
Makoto Ochi beat Sora Fukuda 7-6(4) 6-7(4) 6-2. Umpiry, "Makoto Ochi vs Sora Fukuda — Japan F5 Round of 16", https://umpiry.com/match/2018-04-02/fukuda-vs-ochi-japan-f5-r16?utm_source=cite (as of 2 April 2018).