Vincent Allegre defeated Konstantin Don Gruber 6-4 6-4 in the Mexico 1 2 qualifying round on clay.
Allegre V. took it in straight sets.
Vincent Allegre beat Konstantin Don Gruber 6-4 6-4. Umpiry, "Vincent Allegre vs Konstantin Don Gruber — Mexico 1 2 Qualifying Round", https://umpiry.com/match/2001-03-12/allegre-vs-gruber-mexico-1-2-qf?utm_source=cite (as of 12 March 2001).