Wei Ju Chen defeated Tetsuya Chaen 5-7 6-3 6-0 in the Japan F5 round of 32 on hard. The upset overturned the form book — Tetsuya Chaen came in leading the head-to-head 2–0, but Wei Ju Chen had been the form player, winning 3 of their last 7 on hard. Wei Ju Chen claimed a first win over Tetsuya Chaen in three meetings, narrowing the head-to-head to 2–1.
Chen W. came through in three sets.
Wei Ju Chen beat Tetsuya Chaen 5-7 6-3 6-0. Umpiry, "Wei Ju Chen vs Tetsuya Chaen — Japan F5 Round of 32", https://umpiry.com/match/2000-05-15/chaen-vs-chen-japan-f5-r32?utm_source=cite (as of 15 May 2000).