Illya Marchenko defeated Jan Lennard Struff 7-6 6-3 in the Mons CH semi-final on hard. The upset overturned the form book — Jan Lennard Struff came in ranked #41, leading the head-to-head 2–0. Illya Marchenko claimed a first win over Jan Lennard Struff in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-10-31 | Paris Masters | R64 | hard | Jan Lennard Struff | 6-1 6-1 |
| 2014-03-19 | Miami Masters | Q1 | hard | Jan Lennard Struff | 7-6(4) 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
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
Struff J.: 7 days rest · 1 match, 34 games (7d). Higher means fresher. About