Alexandre Sidorenko defeated Michael Lammer 7-6 6-3 in the Zagreb qualifying round on hard. The upset overturned the form book — Michael Lammer came in leading the head-to-head 1–0, but Alexandre Sidorenko had been the form player, winning 3 of their last 8 on hard. Alexandre Sidorenko claimed a first win over Michael Lammer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-10-01 | France F19 | R32 | hard | Michael Lammer | 6-4 7-6(5) |
Averages over each player's completed matches in the selected window (64 vs 17). 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