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.

Jack Draper retires injured from Japan Open quarter-final - Draper retired mid-game against Ugo Humbert as he appeared to struggle with an abdominal injury

British tennis star Jack Draper, 23, has withdrawn from the Japan Open quarter-finals after an injury forced him to retire mid-match. Draper lost the first set 7-5 and

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. In all probability, the setback will force Draper into an early return from Asia,

British No.1 Jack Draper retired from his Japan Open quarterfinal against France's Ugo Humbert on Sunday after struggling with an abdominal issue.

Jack Draper retires injured in Japan Open quarter-final clash with Ugo Humbert - The British number one received on-court treatment for an apparent abdominal issue.