David Souto defeated Juan Vazquez Valenzuela 6-4 6-0 in the Venezuela F3 round of 32 on hard. The upset overturned the form book — Juan Vazquez Valenzuela came in leading the head-to-head 1–0. David Souto claimed a first win over Juan Vazquez Valenzuela in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-05 | Venezuela F7 | QF | clay | Juan Vazquez Valenzuela | 6-4 3-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.