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MELBOURNE, AUSTRALIA - FEBRUARY 12: Lin Zhu of China plays a forehand in her Women's Doubles second round match with partner Mona Barthel of Germany against Aleksandra Krunic of Serbia and Martina Trevisan during day five of the 2021 Australian Open at Melbourne Park on February 12, 2021 in Melbourne, Australia. (Photo by Cameron Spencer/Getty Images)

MELBOURNE, AUSTRALIA - FEBRUARY 12: Lin Zhu of China plays a forehand in her Women's Doubles second round match with partner Mona Barthel of Germany against Aleksandra Krunic of Serbia and Martina Trevisan during day five of the 2021 Australian Open at Melbourne Park on February 12, 2021 in Melbourne, Australia. (Photo by Cameron Spencer/Getty Images)