Giancarlo Petrazzuolo defeated Igor Sijsling 6-7 6-3 6-4 in the Italy F15 qualifying round on clay. The upset overturned the form book — Igor Sijsling came in leading the head-to-head 1–0. Giancarlo Petrazzuolo claimed a first win over Igor Sijsling in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-04-27 | Italy F8 | R16 | clay | Igor Sijsling | 6-1 4-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.