Juan Carlos Spir defeated Michael Quintero 1-6 6-4 6-1 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. Juan Carlos Spir claimed a first win over Michael Quintero in two meetings, levelling the head-to-head at 1–1.
Spir J. came through in three sets.
Juan Carlos Spir beat Michael Quintero 1-6 6-4 6-1. Umpiry, "Juan Carlos Spir vs Michael Quintero — Colombia F5 Qualifying Round", https://umpiry.com/match/2013-08-19/quintero-vs-spir-colombia-f5-qf?utm_source=cite (as of 19 August 2013).