Juan Rocha defeated Chun Hsin Tseng 6-1 6-3 in the USA F27 qualifying round of 32 on hard.
Rocha J. took it in straight sets.
Juan Rocha beat Chun Hsin Tseng 6-1 6-3. Umpiry, "Juan Rocha vs Chun Hsin Tseng — USA F27 Qualifying Round of 32", https://umpiry.com/match/2015-09-21/rocha-vs-tseng-usa-f27-q32?utm_source=cite (as of 21 September 2015).