| Country | Germany  |
|
| Birthday | 22 Sep 1989 | |
| Age | 36 | |
| Higest Rank | 12 (May 21,2012) | |
| Prize Money | $ 7,201,957 |
Titles: 4
ITF: 32023
2014
- Hong Kong
- -dft. K.Pliskova
- 7-5 6-3
- September
2011
- Birmingham
- -dft. D.Hantuchova
- 6-3 6-2
- June
2009
- Charleston
- -dft. C.Wozniacki
- 6-2 6-4
- April
Finals: 5
2018
2013
- Memphis
- -dft. M.Erakovic
- 6-1 ret.
- February
2009
- Luxembourg
- -dft. T.Bacsinszky
- 6-2 7-5
- October
2008