Luis Horna defeated Guillermo Canas 4-6 6-2 6-2 in the Buenos Aires round robin on clay. The upset overturned the form book — Guillermo Canas came in leading the head-to-head 1–0, but Luis Horna had been the form player, winning 2 of their last 5 on clay. Luis Horna claimed a first win over Guillermo Canas in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-06-09 | Warsaw | R32 | clay | Guillermo Canas | 6-2 6-7(5) 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (51 vs 118). ATP, WTA & Challenger.