Iga Swiatek refused to reveal what she spoke to Katie Boulter about following their three-hour thriller at the United Cup. The British No. 1 caused all sorts of trouble for the five-time Major winner as they faced off in the second match of the Poland vs GB quarter-final but Swiatek still came out on top.

Iga Swiatek came from a break down in the final set to best Katie Boulter in a three-hour epic to deliver Poland to the semifinals at the United Cup in Sydney.

Katie Boulter gave world No.2 Iga Swiatek a huge scare before losing a “crazy” encounter at the United Cup. The British No.1 went a break up in the final set of a rollercoaster match - and then had a break point at 4-4 to serve for the biggest win of her career.

British No. 1 Katie Boulter secured Great Britain a quarterfinals spot in the United Cup with a 6-2, 6-1 straight-set victory over Australia's Olivia Gadecki.

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. And Katie Boulter duly obliged,

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.

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