Joseph Sirianni defeated Luka Gregorc 4-6 6-2 7-6 in the Australia F1 round of 32 on hard. The result followed the form book — Joseph Sirianni came in leading the head-to-head 2–1. Joseph Sirianni extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-08-21 | New Haven | Q32 | hard | Joseph Sirianni | 3-6 7-6(3) 7-6(1) |
| 2009-06-18 | Wimbledon | Q32 | grass | Luka Gregorc | 6-4 6-4 7-5 |
| 2002-09-23 | Australia 2 3 | R16 | hard | Joseph Sirianni | 6-3 7-6(1) |
Averages over each player's completed matches in the selected window (19 vs 13). 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