Xiao Xuan Guo defeated Shanshan Guo 6-3 6-3 in the Nanning $25K qualifying round of 64 on hard.
Xuan Guo X. took it in straight sets.
Xiao Xuan Guo beat Shanshan Guo 6-3 6-3. Umpiry, "Xiao Xuan Guo vs Shanshan Guo — Nanning $25K Qualifying Round of 64", https://umpiry.com/match/2015-04-27/guo-vs-guo-nanning-25k-q64?utm_source=cite (as of 27 April 2015).