Luca Castelnuovo defeated Yankel Zemel 6-2 6-4 in the Israel F5 round of 32 on hard. The upset overturned the form book — Yankel Zemel came in leading the head-to-head 1–0. Luca Castelnuovo claimed a first win over Yankel Zemel in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-12-04 | Israel F17 | R16 | hard | Yankel Zemel | 7-6(2) 6-7(6) 6-3 |
Averages over each player's completed matches in the selected window (199 vs 31). 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