Horacio Zeballos defeated Alexander Zverev 7-6 6-3 in the Marburg CH round of 32 on clay. The upset overturned the form book — Alexander Zverev came in leading the head-to-head 4–0. Horacio Zeballos claimed a first win over Alexander Zverev in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-31 | US Open | Q1 | hard | Alexander Zverev | 6-1 6-4 |
| 2015-08-26 | US Open | Q128 | hard | Alexander Zverev | 6-1 6-4 |
| 2015-05-24 | Roland Garros | Q1 | clay | Alexander Zverev | 7-6 6-0 |
| 2015-05-19 | Roland Garros | Q128 | clay | Alexander Zverev | 7-6(4) 6-0 |
Averages over each player's completed matches in the selected window (200 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Zverev A.: 5 days rest · 2 matches, 59 games (7d). 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
Per-surface Serve / Return Rating (0–100, percentile within the clay field, opponent-adjusted over 52 weeks). About