Australian Open order of play: Day 4 - Andy Murray, Emma Raducanu lead GB challenge and Nick Kyrgios v Daniil Medvedev
Andy Murray and Emma Raducanu lead the British challenge on a mouth watering day four of the Australian Open, which includes Nick Kyrgios taking on the highest men's seed, Daniil Medvedev. Dan Evans and Heather Watson are also in action, while Simona Halep and Garbine Muguruza will be hoping to progress.