Kai Chen Chang defeated Ying Zhang 6-2 6-0 in the Tianjin qualifying round 1 on hard.
Chen Chang K. took it in straight sets.
Kai Chen Chang beat Ying Zhang 6-2 6-0. Umpiry, "Kai Chen Chang vs Ying Zhang — Tianjin Qualifying Round 1", https://umpiry.com/match/2016-10-10/chang-vs-zhang-tianjin-q1?utm_source=cite (as of 10 October 2016).