Thiemo De Bakker defeated Filippo Volandri 6-1 6-2 in the Sao Paulo qualifying round 1 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. Thiemo De Bakker claimed a first win over Filippo Volandri in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-08 | Rome Masters | R64 | clay | Filippo Volandri | 6-1 6-2 |
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 (174 vs 87). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About