Shuichi Sekiguchi defeated Karunuday Singh 6-3 7-6 in the China F14 qualifying round on hard. Shuichi Sekiguchi moved ahead in the head-to-head, 2–1.
Sekiguchi S. took it in straight sets.
Shuichi Sekiguchi beat Karunuday Singh 6-3 7-6(3). Umpiry, "Shuichi Sekiguchi vs Karunuday Singh — China F14 Qualifying Round", https://umpiry.com/match/2017-07-24/sekiguchi-vs-singh-china-f14-qf?utm_source=cite (as of 24 July 2017).