Jan Hajek defeated Roko Karanusic 7-6 6-4 in the CRO vs CZE round robin on clay. The upset overturned the form book — Roko Karanusic came in leading the head-to-head 1–0. Jan Hajek claimed a first win over Roko Karanusic in two meetings, levelling the head-to-head at 1–1.
Hajek J. took it in straight sets.
Jan Hajek beat Roko Karanusic 7-6 6-4. Umpiry, "Jan Hajek vs Roko Karanusic — CRO vs CZE Round Robin", https://umpiry.com/match/2009-09-18/hajek-vs-karanusic-cro-vs-cze-rr?utm_source=cite (as of 18 September 2009).