Five-time Grand Slam champion Iga Swiatek beat Elena Rybakina in straight sets to take Poland into the final of the mixed-teams United Cup on Saturday with victory over Kazakhstan.

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.

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.

Poland secured its place in the semifinals of the United Cup with a victory over Great Britain on Thursday in Australia. Hubert Hurkacz got Poland, the second seed, off to a lead in the mixed-team event with a 7-6 (3),

Iga Swiatek has overcome an evident injury problem to help Poland power past Great Britain and make the semi-finals of the United Cup.

Katie Boulter fell short of a stunning win over five-time Grand Slam champion Iga Swiatek as Britain's hopes of reaching the United Cup semi-finals are ended by Poland.