Jiahui Chen defeated Sabastiani Leon 7-5 6-4 in the Wuhan qualifying round of 32 on hard.
Chen J. took it in straight sets.
Jiahui Chen beat Sabastiani Leon 7-5 6-4. Umpiry, "Jiahui Chen vs Sabastiani Leon — Wuhan Qualifying Round of 32", https://umpiry.com/match/2018-05-13/chen-vs-leon-wuhan-q32?utm_source=cite (as of 13 May 2018).