Young Seok Kim defeated Bowen Ouyang 6-2 7-5 in the China F9 round of 16 on hard.
Seok Kim Y. took it in straight sets.
Young Seok Kim beat Bowen Ouyang 6-2 7-5. Umpiry, "Young Seok Kim vs Bowen Ouyang — China F9 Round of 16", https://umpiry.com/match/2015-06-29/kim-vs-ouyang-china-f9-r16?utm_source=cite (as of 29 June 2015).