(CNN)Tennis large Roger Federer volition miss the US Open aboriginal this period and perchance the remainder of the season, aft announcing that helium needs different genu country which volition sideline him for "many months."
"I've been doing a batch of checks with the doctors, arsenic well, connected my knee, getting each the accusation arsenic I wounded myself further during the grass-court play and Wimbledon," the 40-year-old said successful an Instagram station Sunday.
"Unfortunately, they told maine for the mean to long-term, to consciousness better, I volition request surgery, truthful I decided to bash it. I volition beryllium connected crutches for galore weeks and past besides retired of the crippled for galore months."
Federer, who is tied with Rafael Nadal and Novak Djokovic on 20 vocation expansive slams, was noncommittal astir his aboriginal successful tennis.
"I privation to beryllium healthy. I privation to beryllium moving astir later, arsenic well, again, and I privation to springiness myself a glimmer of hope, also, to instrumentality to the circuit successful immoderate signifier oregon form," helium added.
"I americium realistic, don't get maine wrong. I cognize however hard it is astatine this property close present to bash different country and effort it."
Federer missed much than a twelvemonth of enactment aft having 2 operations connected his genu aft the Australian Open successful 2020.
He returned for the 2021 French Open but withdrew aft his third-round triumph to support his knee. Federer past mislaid successful the quarterfinals astatine Wimbledon successful June.
After his Wimbledon loss, helium withdrew from the Tokyo Olympics aft announcing an wounded setback with his knee.
This year's US Open is scheduled to commencement connected August 30 and runs done September 12 successful New York.