Robin Kern defeated Nils Langer 6-2 6-4 in the Germany F4 round of 32 on clay. The upset overturned the form book — Nils Langer came in leading the head-to-head 1–0. Robin Kern claimed a first win over Nils Langer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-08 | Stuttgart | R32 | grass | Nils Langer | 3-6 6-4 6-3 |
Averages over each player's completed matches in the selected window (28 vs 26). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About