Marius Copil defeated Robert Coman 6-1 6-4 in the Romania F1 round of 16 on clay. The result followed the form book — Marius Copil came in leading the head-to-head 1–0. Marius Copil extended the head-to-head to 2–0.
Copil M. took it in straight sets.
Marius Copil beat Robert Coman 6-1 6-4. Umpiry, "Marius Copil vs Robert Coman — Romania F1 Round of 16", https://umpiry.com/match/2011-05-23/coman-vs-copil-romania-f1-r16?utm_source=cite (as of 23 May 2011).