History-making Ukraine have delivered a statement of intent after singles wins for Elina Svitolina and Marta Kostyuk propelled their nation to a first Billie Jean King Cup by Gainbridge semi-final

The USA are chasing a 19th title while Kazakhstan are seeking to reach their first final

Both nations are looking to become World Champions for the first time

Kazakhstan face 18-time winners the USA for a place in the semi-finals

The seven ties at the World Cup of Tennis will be broadcast to fans around the globe

Watch Billie Jean King in Episode 1 of 'On Her Shoulders' presented by e.l.f. – our new in-depth interview series with incredible women who make up the past, present and future of the Billie Jean King Cup by Gainbridge