Cristobal Saavedra Corvalan defeated Diego Alvarez 7-6 6-1 in the Chile F3 qualifying round on clay. The upset overturned the form book — Diego Alvarez came in leading the head-to-head 1–0. Cristobal Saavedra Corvalan claimed a first win over Diego Alvarez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-10-27 | Chile F4 | QF | clay | Diego Alvarez | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.