Denis Istomin defeated Maximilian Marterer 6-3 6-3 in the Kitzbuhel quarter-final on clay. The upset overturned the form book — Maximilian Marterer came in leading the head-to-head 2–0, defending last year's round of 32. Denis Istomin claimed a first win over Maximilian Marterer in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-06-19 | Halle | Q1 | grass | Maximilian Marterer | 7-6 7-6 |
| 2017-06-17 | Halle | Q16 | grass | Maximilian Marterer | 7-6(5) 7-6(3) |
Averages over each player's completed matches in the selected window (183 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