Marc Sieber defeated Nikola Mektic 6-4 6-4 in the Croatia F10 qualifying round on clay. The result followed the form book — Marc Sieber came in leading the head-to-head 1–0. Marc Sieber extended the head-to-head to 2–0.
Sieber M. took it in straight sets.
Marc Sieber beat Nikola Mektic 6-4 6-4. Umpiry, "Marc Sieber vs Nikola Mektic — Croatia F10 Qualifying Round", https://umpiry.com/match/2009-10-19/mektic-vs-sieber-croatia-f10-qf?utm_source=cite (as of 19 October 2009).