Makoto Ochi defeated Duck Hee Lee 6-0 4-6 6-2 in the M25 Changwon 1 round of 16 on hard. The upset overturned the form book — Duck Hee Lee came in leading the head-to-head 2–1, but Makoto Ochi had been the form player, winning 4 of their last 8 on hard. That levelled the head-to-head at 2–2.
Ochi M. came through in three sets.
Makoto Ochi beat Duck Hee Lee 6-0 4-6 6-2. Umpiry, "Makoto Ochi vs Duck Hee Lee — M25 Changwon 1 Round of 16", https://umpiry.com/match/2023-06-15/lee-vs-ochi-m25-changwon-1-r16?utm_source=cite (as of 15 June 2023).