Yasufumi Yamamoto defeated Danai Udomchoke 6-4 6-4 in the Japan 1 Masters 2 semi-final on hard.
Yamamoto Y. took it in straight sets.
Yasufumi Yamamoto beat Danai Udomchoke 6-4 6-4. Umpiry, "Yasufumi Yamamoto vs Danai Udomchoke — Japan 1 Masters 2 Semi-final", https://umpiry.com/match/1999-06-07/udomchoke-vs-yamamoto-japan-1-masters-2-sf?utm_source=cite (as of 7 June 1999).