Guillermo Duran defeated Michael Quintero 6-2 6-0 in the Colombia F5 qualifying round on clay. The upset overturned the form book — Michael Quintero came in leading the head-to-head 1–0. Guillermo Duran claimed a first win over Michael Quintero in two meetings, levelling the head-to-head at 1–1.
Duran G. took it in straight sets.
Clay: Duran G. leads 1–0 · Hard: Quintero M. leads 1–0
Guillermo Duran beat Michael Quintero 6-2 6-0. Umpiry, "Guillermo Duran vs Michael Quintero — Colombia F5 Qualifying Round", https://umpiry.com/match/2009-08-24/duran-vs-quintero-colombia-f5-qf?utm_source=cite (as of 24 August 2009).