Yuta Shimizu defeated Chuhan Wang 6-3 6-4 in the China F4 qualifying round on hard.
Shimizu Y. took it in straight sets.
Yuta Shimizu beat Chuhan Wang 6-3 6-4. Umpiry, "Yuta Shimizu vs Chuhan Wang — China F4 Qualifying Round", https://umpiry.com/match/2018-04-30/shimizu-vs-wang-china-f4-qf?utm_source=cite (as of 30 April 2018).