Miami Open 2018

Miami Open: Serena Williams crashes out in first round with straight-sets defeat against Indian Wells champ Naomi Osaka

Osaka, who won her first major title in Indian Wells last weekend, was superior throughout and fully deserved her 6-3, 6-2 win in just one hour and 17 minutes.

Miami Open: Novak Djokovic says he's playing without pain after years as comeback gathers momentum

Former World No 1 Djokovic has been beset with an elbow injury that sidelined him for six months after he was forced to retire at the quarter-finals of Wimbledon last year.