MELBOURNE, AUSTRALIA - JANUARY 11: Wu Yibing of China serves during day two of the 2023 Kooyong Classic at Kooyong on January 11, 2023 in Melbourne, Australia. (Photo by Kelly Defina/Getty Images)
MELBOURNE, AUSTRALIA - JANUARY 11: Wu Yibing of China serves during day two of the 2023 Kooyong Classic at Kooyong on January 11, 2023 in Melbourne, Australia. (Photo by Kelly Defina/Getty Images)