VIDEO: Petkovic loses it after non-call, yells at officials, chucks racquet

On her knees, she pounded the court with her open palms. "I cannot believe this!" Andrea Petkovic exclaimed at the Dubai Duty Free Tennis Championships today. "This is the worst call ever!"

After a 15-stroke rally that saw her send Zarina Diyas left and right on the court, flailing for shots, Petkovic ultimately believed she won the point after an "out" ball. But she quickly realized both the chair umpire and a line judge had made no motion or sound indicating that they found Diyas' final shot to be out. Judge for yourself:

After arguing her case with the umpire to no avail, Petkovic proceeded to net a backhand return on the subsequent point, a set point. She walked a couple steps to her chair before chucking her racquet angrily behind her chair—and perilously close to the sideline judge who had made the non-call on the shot that sent Petkovic into an incredulous panic. She and he then exchanged a few words before she then directed some choice, intelligible words at the chair umpire before taking her seat.

Per video replay, Diyas' shot appears clearly out, and she went on to take the match by a 7-5, 6-3 count over the No. 9-seeded Petkovic, who saved just three of nine break points in the contest.

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