Great Britain will face Slovakia in their semi-final on Tuesday at 11:00 GMT. If we're going by rankings, Great Britain have been the favourites against both Germany and Canada. The same thing applies against Slovakia. Rebecca Sramkova is their highest ranked player at 43rd - that's 19 places below British number one Katie Boulter.

Emma Raducanu displayed a combination of ruthlessness, grit and determination in a “very difficult” contest as Great Britain ousted reigning champions Canada to reach the semi-finals of the Billie Jean King Cup.

Great Britain’s devastating duo Emma Raducanu and Katie Boulter demolished defending champions Canada to reach the Billie Jean King Cup semi-finals. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.