Diego Matos defeated Tiago Lopes 1-6 6-3 6-4 in the Brazil F19 qualifying round on clay. The upset overturned the form book — Tiago Lopes came in leading the head-to-head 5–1. Diego Matos narrowed the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-07-18 | Brazil F22 | F | clay | Diego Matos | 6-3 6-4 |
| 2011-01-31 | Brazil F6 | R16 | clay | Tiago Lopes | 6-1 6-0 |
| 2009-08-31 | Brazil F17 | R16 | clay | Tiago Lopes | 6-3 6-2 |
| 2008-08-25 | Brazil F17 | R16 | clay | Tiago Lopes | 6-3 6-4 |
| 2008-07-28 | Brazil F13 | R32 | clay | Tiago Lopes | 6-2 4-6 6-3 |
| 2008-06-30 | Brazil F11Ribeirao PretoSP | R16 | clay | Tiago Lopes | 6-2 6-3 |
Averages over each player's completed matches in the selected window (1 vs 16). 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