Christopher Heyman defeated Altug Celikbilek 4-6 7-6 6-2 in the Turkey F21 quarter-final on hard. The result followed the form book — Christopher Heyman came in leading the head-to-head 1–0. Christopher Heyman extended the head-to-head to 2–0.
Heyman C. came through in three sets.
Christopher Heyman beat Altug Celikbilek 4-6 7-6(5) 6-2. Umpiry, "Christopher Heyman vs Altug Celikbilek — Turkey F21 Quarter-final", https://umpiry.com/match/2016-05-27/celikbilek-vs-heyman-turkey-f21-qf?utm_source=cite (as of 27 May 2016).