The Madrid Open is live on Sky Sports from April 23 to May 5. Please use Chrome browser for a more accessible video player Carlos Alcaraz takes on Andrey Rublev in the men's singles quarter-finals not before 8.30pm (BST) There are three courts all with retractable roofs and a total capacity of just over 17,000 seats. The 32-team draw will feature up to 16 slots reserved for teams entering via their singles ranking, creating an unprecedented number of matchup