Filip Horansky defeated Anton Zaitcev 6-4 6-4 in the Russia F1 quarter-final on clay.
Horansky F. took it in straight sets.
Filip Horansky beat Anton Zaitcev 6-4 6-4. Umpiry, "Filip Horansky vs Anton Zaitcev — Russia F1 Quarter-final", https://umpiry.com/match/2016-06-23/horansky-vs-zaitcev-russia-f1-qf?utm_source=cite (as of 23 June 2016).