British number one Jack Draper has pulled out of this week's Shanghai Masters through injury. The 22-year-old retired from his quarter-final clash against France's Ugo Humbert at the Japan Open on Sunday. Draper required treatment on an abdominal problem and, after trying to continue, had to call it a day at 7-5 2-1 down.

Jack Draper has been ruled out of the Shanghai Masters due to injury. The Brit was last season retiring from his quarter-final clash with Ugo Humbert in the Japan Open. We'll be bringing you the very latest updates,

Only a couple of weeks after criticising tennis’s “mental” schedule, British No1 Jack Draper retired from a match in Tokyo with what looked like an abdominal injury. In all probability, the setback will force Draper into an early return from Asia,

Roger Federer ’s agent has hit back at criticism of the brutal tennis schedule. Players like Jack Draper have blasted the “mental” calendar in recent weeks. Tony Godsick has now encouraged others to copy Federer’s approach to avoid burnout. Federer and Godsick co-created the Laver Cup, which is taking place this weekend.

Only a couple of weeks after criticising tennis’s “mental” schedule, British No1 Jack Draper retired from a match in Tokyo with what looked like an abdominal injury.