Shane Lowry will be defending the title he won at Royal Portrush two years ago but most of the leading players in the world will be in Sandwich to challenge for the Claret Jug. Naomi Osaka said she was concerned over the whereabouts of fellow tennis player Peng Shuai, who has not been heard from since making allegations of sexual assault against a former Chinese vice premier. Please use Chrome browser for a more accessible video player Novak Djokovic described it as "shocking" Peng has not been seen since posting allegations on social media.