Young Jun Kim defeated Tasuku Iwami 4-6 6-1 7-6 in the Japan F4 semi-final on hard. The upset overturned the form book — Tasuku Iwami came in leading the head-to-head 1–0, but Young Jun Kim had been the form player, winning 2 of their last 4 on hard. Young Jun Kim claimed a first win over Tasuku Iwami in two meetings, levelling the head-to-head at 1–1.
Kim Y. came through in three sets.
Young Jun Kim beat Tasuku Iwami 4-6 6-1 7-6(6). Umpiry, "Young Jun Kim vs Tasuku Iwami — Japan F4 Semi-final", https://umpiry.com/match/2004-05-24/iwami-vs-kim-japan-f4-sf?utm_source=cite (as of 24 May 2004).