Michael Quintero defeated Guillermo Duran 6-2 6-1 in the Venezuela F6 round of 32 on hard. The upset overturned the form book — Guillermo Duran came in leading the head-to-head 1–0. Michael Quintero claimed a first win over Guillermo Duran in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-08-24 | Colombia F5 | QF | clay | Guillermo Duran | 6-2 6-0 |
Averages over each player's completed matches in the selected window (26 vs 33). 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