Joseph Sirianni defeated Mischa Zverev 6-3 6-2 in the Australia 1 1 round of 32 on hard. The upset overturned the form book — Mischa Zverev came in leading the head-to-head 1–0. Joseph Sirianni claimed a first win over Mischa Zverev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-06-08 | Halle | R32 | grass | Mischa Zverev | 6-2 6-4 |
Averages over each player's completed matches in the selected window (17 vs 200). 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