Mariano Kestelboim defeated Oscar Jose Gutierrez 6-0 1-6 6-4 in the Argentina F6 round of 16 on clay. The upset overturned the form book — Oscar Jose Gutierrez came in ranked #702, leading the head-to-head 1–0. Mariano Kestelboim claimed a first win over Oscar Jose Gutierrez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-08-25 | Argentina F15 | R16 | clay | Oscar Jose Gutierrez | 7-6(6) 6-3 |
Averages over each player's completed matches in the selected window (120 vs 111). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Gutierrez O.: 11 days rest · 1 match (14d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About