Gengo Kikuchi defeated Jae Sung An 6-1 6-2 in the Japan F8 round of 16 on hard.
Kikuchi G. took it in straight sets.
Gengo Kikuchi beat Jae Sung An 6-1 6-2. Umpiry, "Gengo Kikuchi vs Jae Sung An — Japan F8 Round of 16", https://umpiry.com/match/2012-10-08/an-vs-kikuchi-japan-f8-r16?utm_source=cite (as of 8 October 2012).