Konstantin Kravchuk defeated Marsel Ilhan 6-4 7-6 in the Kazan CH quarter-final on hard. The upset overturned the form book — Marsel Ilhan came in leading the head-to-head 2–0, defending the title. Konstantin Kravchuk claimed a first win over Marsel Ilhan in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-22 | Roland Garros | Q128 | clay | Marsel Ilhan | 6-4 6-4 |
| 2008-05-12 | Uzbekistan F2 | SF | hard | Marsel Ilhan | 6-3 6-3 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About