Joao Souza defeated Filippo Volandri 1-6 7-5 7-6 in the Santiago round of 32 on clay. The upset overturned the form book — Filippo Volandri came in leading the head-to-head 1–0, defending last year's round of 32, but Joao Souza had been the form player, winning 3 of their last 7 on clay. Joao Souza claimed a first win over Filippo Volandri in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-19 | Bucharest | QF | clay | Filippo Volandri | 6-2 6-0 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 184). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About