SHANGHAI, CHINA - OCTOBER 06: Joao Sousa of Portugal in action against Filip Krajinovic of Serbia during 2019 Rolex Shanghai Masters on Day 2 at Qi Zhong Tennis Centre on October 6, 2019 in Shanghai, China. (Photo by Fred Lee/Getty Images)
SHANGHAI, CHINA - OCTOBER 06: Joao Sousa of Portugal in action against Filip Krajinovic of Serbia during 2019 Rolex Shanghai Masters on Day 2 at Qi Zhong Tennis Centre on October 6, 2019 in Shanghai, China. (Photo by Fred Lee/Getty Images)