Michael Quintero defeated Jhonnatan Medina Alvarez 6-3 6-3 in the VEN vs COL round robin on hard. The upset overturned the form book — Jhonnatan Medina Alvarez came in leading the head-to-head 1–0. Michael Quintero claimed a first win over Jhonnatan Medina Alvarez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-06-23 | Venezuela F3 | R32 | hard | Jhonnatan Medina Alvarez | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.