Guido Andreozzi defeated Patricio Heras 4-6 6-3 6-4 in the Chile F9 round of 16 on clay. The upset overturned the form book — Patricio Heras came in leading the head-to-head 1–0, but Guido Andreozzi had been the form player, winning 5 of their last 8 on clay. Guido Andreozzi claimed a first win over Patricio Heras in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-02 | Argentina F22 FUTURES | R32 | clay | Patricio Heras | 3-6 7-5 7-5 |
Averages over each player's completed matches in the selected window (199 vs 59). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About