Gianluca Mager defeated Jan Lennard Struff 7-6 4-6 6-4 in the Napoli CH round of 32 on clay. The upset overturned the form book — Jan Lennard Struff came in ranked #41, leading the head-to-head 1–0. Gianluca Mager claimed a first win over Jan Lennard Struff in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-08-23 | Winston-Salem | R32 | hard | Jan Lennard Struff | 6-2 6-2 |
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 200). ATP, WTA & Challenger.