Niels Desein defeated Stefan Seifert 6-2 6-0 in the Germany F11 qualifying round on clay. The upset overturned the form book — Stefan Seifert came in leading the head-to-head 2–0. Niels Desein claimed a first win over Stefan Seifert in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-10 | Germany F17 | QF | hard | Stefan Seifert | 6-1 |
| 2011-07-18 | Belgium F4 | SF | hard | Stefan Seifert | 6-1 6-4 |
Averages over each player's completed matches in the selected window (119 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