Kazakhstan Advances to United Cup Quarterfinals with Wins Over Greece

Elena Rybakina and Alexander Shevchenko secure decisive victories to propel Kazakhstan into the knockout stage of the mixed-team tournament.

Elena Rybakina defeated Maria Sakkari 6-4, 6-3, clinching Kazakhstan's spot in the United Cup quarterfinals.
Alexander Shevchenko upset world No. 11 Stefanos Tsitsipas in straight sets, marking one of the biggest wins of his career.
Rybakina, a former Wimbledon champion, is working with new coach Goran Ivanisevic as part of her preparation for the Australian Open.
In other tournament action, Britain edged Argentina 2-1 in Group F with Katie Boulter and Charles Broom winning the deciding mixed doubles match.
Defending champions Germany are set to face China, while world No. 2 Iga Swiatek will lead Poland against Norway in upcoming matches.