Sung Hee Han defeated Sun Jung Kim 6-4 6-4 in the Changwon $25K qualifying round of 16 on hard. The upset overturned the form book — Sun Jung Kim came in leading the head-to-head 2–1, but Sung Hee Han had been the form player, winning 6 of their last 10 on hard. That levelled the head-to-head at 2–2.
Han S. took it in straight sets.
Sung Hee Han beat Sun Jung Kim 6-4 6-4. Umpiry, "Sung Hee Han vs Sun Jung Kim — Changwon $25K Qualifying Round of 16", https://umpiry.com/match/2015-05-25/han-vs-kim-changwon-25k-q16?utm_source=cite (as of 25 May 2015).