Greece's Stefanos Tsitsipas serves to Belgium's Kimmer Coppejans during their men's singles match at the Shanghai Masters tennis tournament in Shanghai on October 8, 2026. (Photo by Hector RETAMAL / AFP via Getty Images)

Greece's Stefanos Tsitsipas hits a return to Belgium's Kimmer Coppejans during their men's singles match at the Shanghai Masters tennis tournament in Shanghai on October 8, 2026. (Photo by Hector RETAMAL / AFP via Getty Images)

BEIJING, CHINA - OCTOBER 08: Ellen Perez of Australia and Demi Schuurs of Netherlands return a shot against Elise Mertens of Belgium and Diana Shnaider during the Women's Doubles quarterfinals on day nine of China Open at the National Tennis Center on October 08, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 08: Ellen Perez of Australia and Demi Schuurs of Netherlands return a shot against Elise Mertens of Belgium and Diana Shnaider during the Women's Doubles quarterfinals on day nine of China Open at the National Tennis Center on October 08, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 08: Ellen Perez of Australia and Demi Schuurs of Netherlands return a shot against Elise Mertens of Belgium and Diana Shnaider during the Women's Doubles quarterfinals on day nine of China Open at the National Tennis Center on October 08, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

Greece's Stefanos Tsitsipas hits a return to Belgium's Kimmer Coppejans during their men's singles match at the Shanghai Masters tennis tournament in Shanghai on October 8, 2026. (Photo by Hector RETAMAL / AFP via Getty Images)

Greece's Stefanos Tsitsipas hits a return to Belgium's Kimmer Coppejans during their men's singles match at the Shanghai Masters tennis tournament in Shanghai on October 8, 2026. (Photo by Hector RETAMAL / AFP via Getty Images)

Greece's Stefanos Tsitsipas hits a return to Belgium's Kimmer Coppejans during their men's singles match at the Shanghai Masters tennis tournament in Shanghai on October 8, 2026. (Photo by Hector RETAMAL / AFP via Getty Images)