Carlos Berlocq defeated Horacio Zeballos 6-4 6-3 in the Bastad round of 32 on clay. The upset overturned the form book — Horacio Zeballos came in leading the head-to-head 3–0, defending last year's round of 32. Carlos Berlocq claimed a first win over Horacio Zeballos in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-02-20 | Rio de Janeiro | R32 | clay | Horacio Zeballos | 6-2 6-3 |
| 2013-07-22 | Umag | R16 | clay | Horacio Zeballos | 3-6 6-3 6-2 |
| 2013-02-04 | Santiago | SF | clay | Horacio Zeballos | 6-3 7-6(4) |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About