Adrien Bossel defeated Stefan Seifert 3-6 6-1 7-5 in the Germany F22 round of 32 on hard. The upset overturned the form book — Stefan Seifert came in leading the head-to-head 2–0. Adrien Bossel claimed a first win over Stefan Seifert in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-07-18 | Belgium F4 | QF | hard | Stefan Seifert | 6-3 7-5 |
| 2008-09-15 | Sweden F1 | R32 | hard | Stefan Seifert | 7-6(4) 6-4 |
Averages over each player's completed matches in the selected window (110 vs 2). 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