London, April 30 -- Britain's Jack Draper will miss the rest of the clay court season - including next month's French Open - because of an ongoing knee injury.

The 24-year-old hopes to return for June's grass court season but by then will almost certainly have fallen outside the world's top 100.

Draper retired from his one and only clay court match of the season in Barcelona earlier thismonth because of the tendon issue in his right knee.

He then pulled out of back-to-back ATP 1000 tournaments in Madrid and Rome, but expressed optimism that he would be fit for the French Open.

"My knee is on the mend and I've started back hitting balls but unfortunately I have been advised not to play Roland Garros," Draper posted on Instagram.

"As gut...