Altug Celikbilek defeated Mate Delic 3-6 6-2 6-2 in the Turkey F1 qualifying round on hard. The upset overturned the form book — Mate Delic came in leading the head-to-head 2–0. Altug Celikbilek claimed a first win over Mate Delic in three meetings, narrowing the head-to-head to 2–1.
Celikbilek A. came through in three sets.
Hard: level 1–1 · Clay: Delic M. leads 1–0
Altug Celikbilek beat Mate Delic 3-6 6-2 6-2. Umpiry, "Altug Celikbilek vs Mate Delic — Turkey F1 Qualifying Round", https://umpiry.com/match/2018-01-08/celikbilek-vs-delic-turkey-f1-qf?utm_source=cite (as of 8 January 2018).