Konstantin Kravchuk defeated Yannick Mertens 6-1 6-7 6-4 in the Astana CH quarter-final on hard. The result followed the form book — Konstantin Kravchuk came in leading the head-to-head 2–1, defending last year's round of 32. Konstantin Kravchuk extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-02-01 | Sofia | Q1 | hard | Konstantin Kravchuk | 6-2 5-7 6-2 |
| 2016-01-30 | Sofia | Q16 | hard | Konstantin Kravchuk | 6-2 5-7 6-2 |
| 2009-09-14 | France F14 | QF | hard | Yannick Mertens | 6-4 6-4 |
Averages over each player's completed matches in the selected window (200 vs 200). 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