by Martyn WOOD Japanese tennis star Naomi Osaka conceded the pressure of trying to win an Olympic gold at home was a “bit much” after a 6-1, 6-4 defeat to Marketa Vondrousova ended her title dreams on Tuesday. Osaka, who lit the Olympic cauldron and was one of the faces of the Games, struggled in an error-strewn display that blew the draw wide open after the earlier exits of world number one Ashleigh Barty and […]