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BERLIN, GERMANY - JUNE 16: Madison Keys of the United States plays a forehand against Aryna Sabalenka of Belarus in the women's singles second round match during day 5 of the bett1open at LTTC Rot-Weiß e.V. on June 16, 2021 in Berlin, Germany. (Photo by Boris Streubel/Getty Images)

BERLIN, GERMANY - JUNE 16: Madison Keys of the United States plays a forehand against Aryna Sabalenka of Belarus in the women's singles second round match during day 5 of the bett1open at LTTC Rot-Weiß e.V. on June 16, 2021 in Berlin, Germany. (Photo by Boris Streubel/Getty Images)
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Getty Images Sport Boris Streubel