Nicolas Kiefer defeated Simon Greul 6-3 6-4 in the Stuttgart round of 16 on grass. The upset overturned the form book — Simon Greul came in leading the head-to-head 1–0. Nicolas Kiefer claimed a first win over Simon Greul in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-02 | Munich | R32 | clay | Simon Greul | 7-5 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 (31 vs 71). ATP, WTA & Challenger.