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, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-07-27 | Venezuela F6 | R32 | hard | Michael Quintero | 6-2 6-1 |
Averages over each player's completed matches in the selected window (33 vs 26). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About