Maximiliano Estevez defeated Thiago Monteiro 7-5 3-6 6-3 in the Buenos Aires CH qualifying round 2 on clay. The upset overturned the form book — Thiago Monteiro came in leading the head-to-head 2–0, defending last year's round of 32. Maximiliano Estevez claimed a first win over Thiago Monteiro in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-08 | Turkey F14 | SF | hard | Thiago Monteiro | 6-2 6-1 |
| 2013-03-25 | Turkey F12 | R32 | hard | Thiago Monteiro | 7-5 6-0 |
Averages over each player's completed matches in the selected window (130 vs 200). 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