Guillermo Hormazabal defeated Juan Sebastian Cabal 6-4 2-6 6-2 in the Chile F4 semi-final on clay. The upset overturned the form book — Juan Sebastian Cabal came in leading the head-to-head 1–0. Guillermo Hormazabal claimed a first win over Juan Sebastian Cabal in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-02-09 | Colombia F2 | QF | hard | Juan Sebastian Cabal | 6-4 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.