karolina muchova called the physio multiple times during her US Open quarterfinal karolina muchova has revealed that she is carrying a sickness bug at the US Open the world number 52 ran to the toilet multiple times during her quarterfinal Victory on Wednesday and called the physio twice she later apologized to the crowd for her constant trips to the bathroom but refused to divulge the details of her physical issues machova faced 22nd seed beatric Hadad Maya in a bizarre match that saw both women call the trainer after storming through the first set the check star asked the Umpire if she could go to the toilet during a changeover and Sprint it off returning in time to resume play she then called the Physio and they left the court together with muchova making a swift return and the doctor came to the court to give her some medication a couple of games later the 28-year-old overcame her troubles to win 6 to1 6 to4 muchova chose not to go into detail during her onc Court interview but she later confirmed that she wasn't feeling well yeah I'm fighting bug a little bit I'm a little sick the former World number8 said in her postmatch press conference I hope it didn't disturb anyone it never happened to me before but I really needed to go off the court when I get a chance to go again I hope it didn't disturb her didn't disturb the people but I actually don't do these things I don't like to do it but I had no other Choice than to take yeah use a bathroom that's it muchova has been dogged by injuries throughout her career she also reached the US Open semifinals last year losing to eventual Champion Coco golf it was the last match she played for 10 months as she was sidelined by a wrist injury and eventually had surgery