Cristobal Saavedra Corvalan defeated Juan Martin Aranguren 6-4 6-3 in the Chile F5 qualifying round on clay. The upset overturned the form book — Juan Martin Aranguren came in leading the head-to-head 1–0. Cristobal Saavedra Corvalan claimed a first win over Juan Martin Aranguren in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-22 | Argentina F10 | R16 | clay | Juan Martin Aranguren | 6-2 6-7(7) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.