Nicolas Santos defeated Diego Matos 3-6 6-3 5-1 in the Brazil F7 round of 32 on clay. The upset overturned the form book — Diego Matos came in leading the head-to-head 2–0, but Nicolas Santos had been the form player, winning 3 of their last 5 on clay. Nicolas Santos claimed a first win over Diego Matos in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-11-03 | Brazil F27 | R32 | clay | Diego Matos | 6-4 7-5 |
| 2008-09-22 | Brazil F21 | R32 | clay | Diego Matos | 7-5 6-2 |
Averages over each player's completed matches in the selected window (56 vs 1). 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. Small sample — read as indicative. About