
Maximilian Marterer defeated Lukas Klein 6-4 6-4 in the Ismaning CH semi-final on hard. The upset overturned the form book — Lukas Klein came in leading the head-to-head 2–1, defending last year's round of 16. Maximilian Marterer narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-09-10 | Davis Cup Finals RR: GER vs SVK | RR | hard | Maximilian Marterer | 6-4 7-5 |
| 2024-03-04 | Indian Wells Masters | Q1 | hard | Lukas Klein | 6-2 6-4 |
| 2023-08-24 | US Open | Q64 | hard | Lukas Klein | 7-6(5) 6-2 |
Averages over each player's completed matches in the selected window (123 vs 175). 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