The former World Number One and Second seed , Poland's Agnieszka Radawanska has crashed out of the Dubai Duty Free Tennis Championship. She was defeated by tournament qualifier Flavia Penneta 6-4, 6-1 in straight sets today.<br/><br/>In other second round matches today, former World number One Ana Ivanovic plays against Venus Williams.<br/><br/>Last year's winner Petra Kvitova plays against C Suarez Navarro while Caroline Wozniacki takes on A Beck in other matches.