Shuichi Sekiguchi defeated Chuhan Wang 6-4 7-5 in the China F7 round of 32 on hard.
Sekiguchi S. took it in straight sets.
Shuichi Sekiguchi beat Chuhan Wang 6-4 7-5. Umpiry, "Shuichi Sekiguchi vs Chuhan Wang — China F7 Round of 32", https://umpiry.com/match/2013-08-12/sekiguchi-vs-wang-china-f7-r32?utm_source=cite (as of 12 August 2013).