Robin Lang defeated Kai Lemstra 6-4 0-6 6-1 in the Germany F12 round of 32 on clay.
Lang R. came through in three sets.
Robin Lang beat Kai Lemstra 6-4 0-6 6-1. Umpiry, "Robin Lang vs Kai Lemstra — Germany F12 Round of 32", https://umpiry.com/match/2017-08-21/lang-vs-lemstra-germany-f12-r32?utm_source=cite (as of 21 August 2017).