Denis Istomin defeated Ruben Bemelmans 6-3 6-4 in the Chicago CH quarter-final on hard. The upset overturned the form book — Ruben Bemelmans came in leading the head-to-head 1–0. Denis Istomin claimed a first win over Ruben Bemelmans in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-02-12 | Rotterdam | Q1 | hard | Ruben Bemelmans | 6-4 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 193). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About