Hanyu Guo defeated Mari Osaka 6-4 3-6 7-5 in the Wuhan round of 16 on hard. The result followed the form book — Hanyu Guo came in defending last year's round of 32.
Guo H. came through in three sets.
Hanyu Guo beat Mari Osaka 6-4 3-6 7-5. Umpiry, "Hanyu Guo vs Mari Osaka — Wuhan Round of 16", https://umpiry.com/match/2018-05-17/guo-vs-osaka-wuhan-r16?utm_source=cite (as of 17 May 2018).