David Martin defeated Hyung Tae Kwon 6-2 6-2 in the Japan F10 round of 16 on hard. The upset overturned the form book — Hyung Tae Kwon came in leading the head-to-head 1–0, but David Martin had been the form player, winning 1 of their last 5 on hard. David Martin claimed a first win over Hyung Tae Kwon in two meetings, levelling the head-to-head at 1–1.
Martin D. took it in straight sets.
David Martin beat Hyung Tae Kwon 6-2 6-2. Umpiry, "David Martin vs Hyung Tae Kwon — Japan F10 Round of 16", https://umpiry.com/match/2005-09-05/kwon-vs-martin-japan-f10-r16?utm_source=cite (as of 5 September 2005).