Japan's former tennis player Kei Nishikori waves to fans during his tribute ceremony at the Ariake Tennis Forest Park during the Japan Open tennis tournament in Tokyo on October 6, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

Japan's former tennis player Kei Nishikori waves to fans during his tribute ceremony at the Ariake Tennis Forest Park during the Japan Open tennis tournament in Tokyo on October 6, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

Japan's Naomi Osaka hits a return to Czech Republic's Karolina Muchova during their women's singles match at the China Open tennis tournament in Beijing on October 6, 2026. (Photo by ADEK BERRY / AFP via Getty Images)

Japan's Naomi Osaka hits a return to Czech Republic's Karolina Muchova during their women's singles match at the China Open tennis tournament in Beijing on October 6, 2026. (Photo by ADEK BERRY / AFP via Getty Images)

Japan's Naomi Osaka hits a return to Czech Republic's Karolina Muchova during their women's singles match at the China Open tennis tournament in Beijing on October 6, 2026. (Photo by ADEK BERRY / AFP via Getty Images)

Japan's Naomi Osaka hits a return to Czech Republic's Karolina Muchova during their women's singles match at the China Open tennis tournament in Beijing on October 6, 2026. (Photo by ADEK BERRY / AFP via Getty Images)

FILE - Jannik Sinner of Italy reacts to winning against Alexander Zverev of Germany in the men's singles final at Wimbledon Tennis Championships in London, Sunday, July 12, 2026. (AP Photo/Kirsty Wigglesworth, File)

FILE - Jannik Sinner of Italy reacts after winning against Alexander Zverev of Germany in the men's singles final at Wimbledon Tennis Championships in London, Sunday, July 12, 2026. (AP Photo/Kirsty Wigglesworth, File)