Guillaume Marx defeated Martin Bartonek 6-4 6-3 in the Czech Rep F3 qualifying round on clay.
Marx G. took it in straight sets.
Guillaume Marx beat Martin Bartonek 6-4 6-3. Umpiry, "Guillaume Marx vs Martin Bartonek — Czech Rep F3 Qualifying Round", https://umpiry.com/match/2001-06-04/bartonek-vs-marx-czech-rep-f3-qf?utm_source=cite (as of 4 June 2001).