Maxim Ratniuk defeated Denys Klok 7-5 7-5 in the Russia F2 qualifying round of 16 on clay. The upset overturned the form book — Denys Klok came in leading the head-to-head 1–0, but Maxim Ratniuk had been the form player, winning 3 of their last 7 on clay. Maxim Ratniuk claimed a first win over Denys Klok in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-08-01 | Russia F4 | R16 | clay | Denys Klok | 6-3 6-3 |
Averages over each player's completed matches in the selected window (112 vs 200). ATP, WTA & Challenger.
wins 51% of points on serve vs Klok D.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About