Ka Po Tong defeated Ying Yu 6-3 6-2 in the Guangzhou 25K round of 16 on hard.
Tong K. took it in straight sets.
Ka Po Tong beat Ying Yu 6-3 6-2. Umpiry, "Ka Po Tong vs Ying Yu — Guangzhou 25K Round of 16", https://umpiry.com/match/2001-07-23/tong-vs-yu-guangzhou-25k-r16?utm_source=cite (as of 23 July 2001).