Ryuso Tsujino defeated Ton Su Kwon 6-3 6-2 in the Japan F4 round of 16 on hard.
Tsujino R. took it in straight sets.
Ryuso Tsujino beat Ton Su Kwon 6-3 6-2. Umpiry, "Ryuso Tsujino vs Ton Su Kwon — Japan F4 Round of 16", https://umpiry.com/match/2000-05-08/kwon-vs-tsujino-japan-f4-r16?utm_source=cite (as of 8 May 2000).