Daniel Willman defeated Toshiharu Kato 6-2 6-4 in the Japan F5 round of 32 on hard.
Willman D. took it in straight sets.
Daniel Willman beat Toshiharu Kato 6-2 6-4. Umpiry, "Daniel Willman vs Toshiharu Kato — Japan F5 Round of 32", https://umpiry.com/match/2001-05-21/kato-vs-willman-japan-f5-r32?utm_source=cite (as of 21 May 2001).