Kai Chen Chang defeated Ho Ching Wu 6-0 6-1 in the W25 Kofu round of 32 on hard. The result followed the form book — Kai Chen Chang came in leading the head-to-head 1–0. Kai Chen Chang extended the head-to-head to 2–0.
Chen Chang K. took it in straight sets.
Kai Chen Chang beat Ho Ching Wu 6-0 6-1. Umpiry, "Kai Chen Chang vs Ho Ching Wu — W25 Kofu Round of 32", https://umpiry.com/match/2019-03-27/chang-vs-wu-w25-kofu-r32?utm_source=cite (as of 27 March 2019).