Three-time Grand Slam champion Andy Murray needed medical treatment during his defeat to Czech Tomas Machac at the Miami Open tennis.

The 36-year-old Wimbledon champ suffered an ankle injury during his three-set loss.

British number one Cameron Norrie was beaten by Russia’s Daniil Medvedev.

In the women’s draw, Katie Boulter faces Viktoria Azarenka for a place in the quarter-finals this evening.