Danilo Petrovic defeated Issei Okamura 6-3 6-2 in the China F1 round of 32 on clay.
Petrovic D. took it in straight sets.
Danilo Petrovic beat Issei Okamura 6-3 6-2. Umpiry, "Danilo Petrovic vs Issei Okamura — China F1 Round of 32", https://umpiry.com/match/2017-02-13/okamura-vs-petrovic-china-f1-r32?utm_source=cite (as of 13 February 2017).