Simone Vagnozzi defeated Guillermo Olaso 6-4 7-5 in the Croatia F10 qualifying round on clay. The upset overturned the form book — Guillermo Olaso came in leading the head-to-head 1–0. Simone Vagnozzi claimed a first win over Guillermo Olaso in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-07-30 | Italy F20 | R16 | clay | Guillermo Olaso | 6-4 7-6(2) |
Averages over each player's completed matches in the selected window (12 vs 39). 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