Mert Naci Turker defeated Altug Celikbilek 6-7 7-6 6-4 in the Turkey F24 round of 32 on clay. The upset overturned the form book — Altug Celikbilek came in leading the head-to-head 1–0. Mert Naci Turker claimed a first win over Altug Celikbilek in two meetings, levelling the head-to-head at 1–1.
Turker M. came through in three sets.
Clay: Turker M. leads 1–0 · Hard: Celikbilek A. leads 1–0
Mert Naci Turker beat Altug Celikbilek 6-7(1) 7-6(3) 6-4. Umpiry, "Mert Naci Turker vs Altug Celikbilek — Turkey F24 Round of 32", https://umpiry.com/match/2017-06-19/celikbilek-vs-turker-turkey-f24-r32?utm_source=cite (as of 19 June 2017).