Jan Lennard Struff defeated Tommy Haas 6-4 7-5 in the Munich round of 16 on clay. The result followed the form book — Jan Lennard Struff came in leading the head-to-head 1–0, defending last year's round of 16. Jan Lennard Struff extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-31 | Kitzbuhel | R32 | clay | Jan Lennard Struff | 6-3 7-6(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 19). ATP, WTA & Challenger.