Mischa Zverev defeated Joseph Sirianni 6-2 6-4 in the Halle round of 32 on grass. The upset overturned the form book — Joseph Sirianni came in leading the head-to-head 2–0. Mischa Zverev claimed a first win over Joseph Sirianni in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-06-18 | s Hertogenbosch | QF | grass | Joseph Sirianni | 4-6 7-6(5) 6-4 |
| 2004-02-02 | Australia 1 1 | R32 | hard | Joseph Sirianni | 6-3 6-2 |
Averages over each player's completed matches in the selected window (200 vs 1). 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. Small sample — read as indicative. About