Lin Zhu advanced when Tereza Martincova retired 4-0 in the Wimbledon qualifying round of 128.
Zhu L. advanced when Martincova T. retired.
Lin Zhu beat Tereza Martincova 4-0 after Tereza Martincova retired. Umpiry, "Lin Zhu vs Tereza Martincova — Wimbledon Qualifying Round of 128", https://umpiry.com/match/2016-06-21/martincova-vs-zhu-wimbledon-q128?utm_source=cite (as of 21 June 2016).