Emma Raducanu breezed into the second round of the Miami Open with a commanding straight-set win against Japanese teenager Sayaka Ishii. The British number two took just over an hour to progress 6-2 6-1 and will next face American eighth seed Emma Navarro.

Emma Raducanu appears to have ended her trial period with coach Vladimir Platenik after just two weeks. Platenik, 49, joined up with Raducanu the day before her opening match at Indian Wells earlier this month,

Emma Raducanu recruited Vladimir Platenik on a two-week trial ahead of Indian Wells but she has split with the coach in the wake of her first-round exit; British No 2 cruised through to the second rou