
Marin Cilic defeated Jan Lennard Struff 3-6 6-3 6-3 in the Sydney round of 32 on hard. The upset overturned the form book — Jan Lennard Struff came in ranked #41, leading the head-to-head 3–1. Marin Cilic narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-01-01 | Hong Kong | R32 | hard | Jan Lennard Struff | 3-6 7-6(4) 7-6(7) |
| 2019-05-13 | Rome Masters | R32 | clay | Jan Lennard Struff | 6-2 6-3 |
| 2019-05-06 | Madrid Masters | R32 | clay | Marin Cilic | 4-6 6-3 6-4 |
| 2018-10-01 | Tokyo | R32 | hard | Jan Lennard Struff | 3-6 6-4 7-6(1) |
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 (199 vs 200). ATP, WTA & Challenger.