Osaka Naomi hits a return during the women's singles match between Osaka Naomi of Japan and Katie Swan of Britain in the Group E round robin match between Japan and Britain at the 2026 United Cup tennis tournament in Perth, Australia, Jan. 4, 2026. (Photo by Zhou Dan/Xinhua)
Katie Swan serves during the women's singles match between Osaka Naomi of Japan and Katie Swan of Britain in the Group E round robin match between Japan and Britain at the 2026 United Cup tennis tournament in Perth, Australia, Jan. 4, 2026. (Photo by Zhou Dan/Xinhua)
Osaka Naomi serves during the women's singles match between Osaka Naomi of Japan and Katie Swan of Britain in the Group E round robin match between Japan and Britain at the 2026 United Cup tennis tournament in Perth, Australia, Jan. 4, 2026. (Photo by Zhou Dan/Xinhua)
Osaka Naomi hits a return during the women's singles match between Osaka Naomi of Japan and Katie Swan of Britain in the Group E round robin match between Japan and Britain at the 2026 United Cup tennis tournament in Perth, Australia, Jan. 4, 2026. (Photo by Zhou Dan/Xinhua)
Osaka Naomi (L) of Japan and Katie Swan (R) of Britain pose for photos before the women's singles match between Osaka Naomi of Japan and Katie Swan of Britain in the Group E round robin match between Japan and Britain at the 2026 United Cup tennis tournament in Perth, Australia, Jan. 4, 2026. (Photo by Zhou Dan/Xinhua)
Osaka Naomi (R) gestures before the women's singles match between Osaka Naomi of Japan and Katie Swan of Britain in the Group E round robin match between Japan and Britain at the 2026 United Cup tennis tournament in Perth, Australia, Jan. 4, 2026. (Photo by Zhou Dan/Xinhua)
Mochizuki Shintaro hits a return during the men's singles match between Mochizuki Shintaro of Japan and Billy Harris of Britain in the Group E round robin match between Japan and Britain at the 2026 United Cup tennis tournament in Perth, Australia, Jan. 4, 2026. (Photo by Zhou Dan/Xinhua)
