Sung Hee Han defeated Min Hwa Yu 6-2 6-2 in the Changwon 25K round of 32 on hard.
Han S. took it in straight sets.
Sung Hee Han beat Min Hwa Yu 6-2 6-2. Umpiry, "Sung Hee Han vs Min Hwa Yu — Changwon 25K Round of 32", https://umpiry.com/match/2012-05-21/han-vs-yu-changwon-25k-r32?utm_source=cite (as of 21 May 2012).