Sergio Galdos defeated Jorge Montero 6-7 6-1 6-4 in the Chile F2 qualifying round on clay. The upset overturned the form book — Jorge Montero came in leading the head-to-head 1–0. Sergio Galdos claimed a first win over Jorge Montero in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-30 | Peru F2 | R32 | clay | Jorge Montero | 7-5 2-6 7-6(5) |
Averages over each player's completed matches in the selected window (30 vs 57). 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