Alexandar Lazov defeated Marc Sieber 4-6 6-3 6-1 in the Turkey F7 round of 32 on hard.
Lazov A. came through in three sets.
Alexandar Lazov beat Marc Sieber 4-6 6-3 6-1. Umpiry, "Alexandar Lazov vs Marc Sieber — Turkey F7 Round of 32", https://umpiry.com/match/2016-02-15/lazov-vs-sieber-turkey-f7-r32?utm_source=cite (as of 15 February 2016).