Elena Rybakina put Kazakhstan one win away from the 2025 United Cup semifinals with a commanding 6-3, 6-1 victory over Germany’s Laura Siegemund in the first match of the tournament’s knockout stages.

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

Elena Rybakina marks her United Cup debut by helping Kazakhstan to a 2-1 victory over Spain at the season-opening tournament in Australia.

Elena Rybakina steered Kazakhstan into the United Cup quarterfinals for the first time with a 6-4, 6-3 win over Maria Sakkari on Monday in Perth, sealing the Group C tie following Alexander Shevchenko’s upset of Stefanos Tsitsipas.

Title holders Germany were knocked out of the United Cup on Wednesday when they fell 2-1 against Kazakhstan in the quarter-finals in the absence of their injured top player Alexander Zverev. World number six Elena Rybakina opened the tie in Perth with a commanding 6-3,

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.

Team Germany made an impressive start to its United Cup title defense, easily qualifying for the quarterfinals. Kazakhstan starts as an underdog against last year’s champions, but 2022 Wimbledon Champion Elena Rybakina will try to rally them to success in Perth.