Bingyu Yu defeated Mario Matejcek 6-3 7-6 in the Vietnam F3 qualifying round of 32 on hard.
Yu B. took it in straight sets.
Bingyu Yu beat Mario Matejcek 6-3 7-6(6). Umpiry, "Bingyu Yu vs Mario Matejcek — Vietnam F3 Qualifying Round of 32", https://umpiry.com/match/2016-08-08/matejcek-vs-yu-vietnam-f3-q32?utm_source=cite (as of 8 August 2016).