Iga Swiatek says it is absolutely not true that her intention was to throw Katie Boulter off her game when she called a medical timeout early in the third set of their United Cup thriller.

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.

Great Britain will face Poland in the quarter-finals of the United Cup on Thursday despite losing their final group match 2-1 to hosts Australia. After their win over Argentina in the team competition on Monday, Britain knew one straight-sets success from three rubbers in Sydney would be enough to see them top the group.

The 28-year-old could come up against fiancé De Minaur in a mixed doubles match when Britain face Australia on New Year’s Day.

Katie Boulter delivered Great Britain into the the United Cup quarterfinals after defeating Olivia Gadecki in straight-sets in the final Group F tie in Sydney.

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

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.