Guido Andreozzi defeated Gustavo Sterin 6-3 6-0 in the Argentina F15 qualifying round on clay. The result followed the form book — Guido Andreozzi came in leading the head-to-head 1–0. Guido Andreozzi extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-14 | Argentina F15 | R32 | clay | Guido Andreozzi | 6-3 6-7(2) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.