Poland marched into a second successive final at the United Cup mixed team tennis tournament on Saturday with a convincing 2-0 victory over Kazakhstan after Hubert Hurkacz and Iga Swiatek won their singles matches.

Iga Swiatek sent Poland soaring into their second straight United Cup final by battling past one of her most challenging rivals in their semifinal tie in Sydney on Saturday.

Five-time Grand Slam winner Swiatek was on court for the first time since she served a one-month ban for a doping violation. Read more at straitstimes.com.

Poland returned to the semi-finals of the United Cup mixed team tournament for a third successive year after hard-fought singles victories in Sydney handed them an unassailable 2-0 lead over Britain on Thursday.

The British number one had a break point at 4-4 in the deciding set against Poland’s five-time grand slam winner.

Iga Swiatek and Katie Boulter had a couple of animated discussions during and after their three-hour epic at the United Cup, but the Pole wasn't giving anything away.

Iga Swiatek battles through exhaustion to secure a crucial win for Poland at the United Cup, advancing to the semifinals where she’ll face Kazakhstan.

British No 1 Katie Boulter came agonisingly close to a career-defining victory before falling to world No 2 Iga Swiatek in an epic United Cup quarter-final clash in Sydney. The British hopeful pushed the five-time Grand Slam champion to the limit in a thrilling contest that stretched just short of three hours.