#845602Germany's Andrea Petkovic is celebrating her victory over Russia's Maria Sharapova at the fourth round of the 2011 Australian Open thus advancing to the quarter finals.Sign in or register,to downloadAdd to cartRemove from cartPackage: Tennis. 2011 Australian Open. Day SevenCategories: SportsLocation: Melbourne, AustraliaEvent date: 23.01.2011Date published: 23.01.2011Author: Anton DenisovCredit: SputnikSource: SputnikOriginal: DigitalMedia: JPEG, 2534x1769px, 2.4Mbrackettennis