Jorge Aguilar defeated German Gaich 6-3 6-3 in the Chile F4 round of 16 on clay. The upset overturned the form book — German Gaich came in leading the head-to-head 1–0. Jorge Aguilar claimed a first win over German Gaich in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-18 | Argentina F6 | R32 | clay | German Gaich | 4-6 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.