Steven Diez defeated Adrian Sikora 0-6 6-1 6-1 in the Prague CH round of 16 on clay. The upset overturned the form book — Adrian Sikora came in leading the head-to-head 1–0. Steven Diez claimed a first win over Adrian Sikora in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-01-17 | Israel F2 | R16 | hard | Adrian Sikora | 7-6(2) 6-4 |
Averages over each player's completed matches in the selected window (200 vs 46). 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