Jan Lennard Struff defeated Florian Mayer 6-2 6-3 in the Heilbronn CH quarter-final on clay. The upset overturned the form book — Florian Mayer came in leading the head-to-head 1–0. Jan Lennard Struff claimed a first win over Florian Mayer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-06-15 | Halle | R32 | grass | Florian Mayer | 6-2 0-6 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 117). ATP, WTA & Challenger.