Guillermo Canas defeated Marcos Daniel 6-1 6-4 in the Costa Do Sauipe round of 32 on hard. The upset overturned the form book — Marcos Daniel came in leading the head-to-head 2–0, defending last year's round of 32. Guillermo Canas claimed a first win over Marcos Daniel in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-04 | Belgrade | R32 | hard | Marcos Daniel | 3-6 6-1 6-4 |
| 1996-03-30 | Brazil 1 Masters 2 | R16 | clay | Marcos Daniel | 6-1 7-6 |
Averages over each player's completed matches in the selected window (118 vs 54). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About