SHANGHAI, CHINA - OCTOBER 11: (EDITORS NOTE: Image has been converted to black and white.) Novak Djokovic of Serbia reacts in the Men's Singles Quarterfinals match against Jakub Mensik of Czechia on Day 12 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 11, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)