Jan Mertl defeated Tomas Hajek 6-1 6-4 in the Czech Rep F1 round of 16 on clay.
Mertl J. took it in straight sets.
Jan Mertl beat Tomas Hajek 6-1 6-4. Umpiry, "Jan Mertl vs Tomas Hajek — Czech Rep F1 Round of 16", https://umpiry.com/match/2001-05-21/hajek-vs-mertl-czech-rep-f1-r16?utm_source=cite (as of 21 May 2001).