Koichi Sano defeated Oh Hee Kwon 6-3 3-6 6-4 in the Japan F7 round of 32 on carpet.
Sano K. came through in three sets.
Koichi Sano beat Oh Hee Kwon 6-3 3-6 6-4. Umpiry, "Koichi Sano vs Oh Hee Kwon — Japan F7 Round of 32", https://umpiry.com/match/2015-06-15/kwon-vs-sano-japan-f7-r32?utm_source=cite (as of 15 June 2015).