Grega Zemlja defeated Yannick Mertens 6-4 6-2 in the Portoroz CH round of 16 on hard. The result followed the form book — Grega Zemlja came in leading the head-to-head 1–0, defending last year's final. Grega Zemlja extended the head-to-head to 2–0.
Zemlja G. took it in straight sets.
Zemlja G. and Mertens Y. faced 2 of the same opponents in the last 12 months. Zemlja G. went 1–1 (50%) against them, Mertens Y. 0–2 (0%).
Only 2 common opponents — too few for any conclusion. Shown without assessment.
Grega Zemlja beat Yannick Mertens 6-4 6-2. Umpiry, "Grega Zemlja vs Yannick Mertens — Portoroz CH Round of 16", https://umpiry.com/match/2016-08-08/mertens-vs-zemlja-portoroz-ch-r16?utm_source=cite (as of 8 August 2016).