Horacio Zeballos defeated Guido Pella 6-3 6-4 in the Sao Paulo round of 16 on clay. The upset overturned the form book — Guido Pella came in leading the head-to-head 1–0, defending last year's round of 16. Horacio Zeballos claimed a first win over Guido Pella in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-05-01 | Munich | QF | clay | Guido Pella | 6-3 6-7(5) 7-6(3) |
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