Camila Giorgi of Italy hits a return to Agnieszka Radwanska from Poland in their women's singles quarter-final match at the Sydney International tennis tournament in Sydney

Dominika Cibulková of Slovakia hits a return to Angelique Kerber of Germany in their women's singles quarter-final match at the Sydney International tennis tournament in Sydney

Angelique Kerber of Germany hits a return against Dominika Cibulková of Slovakia in their women's singles quarter-final match at the Sydney International tennis tournament in Sydney

Australia's Ashleigh Barty hits a return against Barbora Strycova of the Czech Republic during their women's singles quarter-final match at the Sydney International tennis tournament in Sydney