Elena Rybakina put Kazakhstan one win away from the 2025 United Cup semifinals with a commanding victory over Germany’s Laura Siegemund. Alexander Shevchenko clinched the semifinal spot by winning the men's singles.

Coco Gauff and Taylor Fritz have powered the U.S. into the semifinals of the United Cup mixed teams tennis event.

Kazakhstan reached the quarter-finals of the United Cup mixed team tournament with a comfortable win over Greece on Monday as Elena Rybakina defeated Maria Sakkari 6-4 6-3 after Alexander Shevchenko stunned Stefanos Tsitsipas.

Elena Rybakina guided Kazakhstan to a 2-1 victory against Spain in her United Cup debut at the RAC Arena in Perth on Friday, and Gao Xinyu stunned Beatriz Haddad Maia in China's victory over Brazil.

Stefanos Tsitsipas slumped to defeat in his first match of the season Monday as the Elena Rybakina-led Kazakhstan upset Greece to surge into the United Cup quarter-finals, while Britain beat Argentina.