Kazakhstan's Yulia Putintseva hits a return against Kazakhstan's Elena Rybakina during the WTA Pan Pacific Open tennis tournament at Ariake Coliseum in Tokyo on October 29, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

Kazakhstan's Yulia Putintseva hits a return against Kazakhstan's Elena Rybakina during the WTA Pan Pacific Open tennis tournament at Ariake Coliseum in Tokyo on October 29, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

Kazakhstan's Yulia Putintseva hits a return against Kazakhstan's Elena Rybakina during the WTA Pan Pacific Open tennis tournament at Ariake Coliseum in Tokyo on October 29, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

Kazakhstan's Yulia Putintseva hits a return against Kazakhstan's Elena Rybakina during the WTA Pan Pacific Open tennis tournament at Ariake Coliseum in Tokyo on October 29, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

Slovakia's Mia Pohankova celebrates after beating Japan's Naomi Osaka during their women's singles match at the WTA Pan Pacific Open tennis tournament at Ariake Coliseum in Tokyo on October 29, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

Slovakia's Mia Pohankova celebrates after beating Japan's Naomi Osaka during their women's singles match at the WTA Pan Pacific Open tennis tournament at Ariake Coliseum in Tokyo on October 29, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

Slovakia's Mia Pohankova celebrates after beating Japan's Naomi Osaka during their women's singles match at the WTA Pan Pacific Open tennis tournament at Ariake Coliseum in Tokyo on October 29, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

Slovakia's Mia Pohankova hits a return against Japan's Naomi Osaka during their women's singles match at the WTA Pan Pacific Open tennis tournament at Ariake Coliseum in Tokyo on October 29, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)