Christopher Oconnell defeated Jung Woong Na 6-3 6-4 in the Korea F1 round of 32 on hard.
Oconnell C. took it in straight sets.
Christopher Oconnell beat Jung Woong Na 6-3 6-4. Umpiry, "Christopher Oconnell vs Jung Woong Na — Korea F1 Round of 32", https://umpiry.com/match/2015-05-18/na-vs-oconnell-korea-f1-r32?utm_source=cite (as of 18 May 2015).