Nikola Mektic defeated Jurgen Zopp 6-4 6-0 in the Istanbul qualifying round of 32 on clay. The upset overturned the form book — Jurgen Zopp came in leading the head-to-head 1–0. Nikola Mektic claimed a first win over Jurgen Zopp in two meetings, levelling the head-to-head at 1–1.
Mektic N. took it in straight sets.
Nikola Mektic beat Jurgen Zopp 6-4 6-0. Umpiry, "Nikola Mektic vs Jurgen Zopp — Istanbul Qualifying Round of 32", https://umpiry.com/match/2015-04-25/mektic-vs-zopp-istanbul-q32?utm_source=cite (as of 25 April 2015).