Former world No. 1 Victoria Azarenka was 6-2 3-0 down to Czech wunderking Linda Fruhvirtova when she approached the chair umpire and said she was done. After the match, Azarenka released a statement in which she revealed she has been dealing with a lot of stress lately. Also, Azarenka admitted playing her Miami third round match against Fruhvirtova was a mistake. “I shouldn’t have gone on the court today,” Azarenka later said in a statement. “The last few weeks have been extremely stressful in my personal life.Last match took so much out of me, but I wanted to play in front of a great audience as they helped me pull through my first match. “I wanted to go out there and try but it was a mistake.” Azarenka to take …