Kirill Dmitriev defeated Marc Sieber 7-5 6-4 in the Turkey F37 qualifying round on hard. The upset overturned the form book — Marc Sieber came in leading the head-to-head 1–0. Kirill Dmitriev claimed a first win over Marc Sieber in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-02-09 | Turkey F6 | Q16 | hard | Marc Sieber | 6-2 7-6(4) |
Averages over each player's completed matches in the selected window (36 vs 141). 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