Rodrigo Guidolin defeated Juan Ignacio Londero 7-5 6-2 in the Argentina F8 round of 16 on clay. The upset overturned the form book — Juan Ignacio Londero came in leading the head-to-head 1–0, but Rodrigo Guidolin had been the form player, winning 5 of their last 9 on clay. Rodrigo Guidolin claimed a first win over Juan Ignacio Londero in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-06-27 | Argentina F9 | R32 | clay | Juan Ignacio Londero | 2-6 6-4 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.