________ has withdrawn from the ongoing French Open ?

a) Rafael Nadal
b) Novak Djokovic
c) Roger Federer
d) Serena Williams

Tennis legend  Roger Federer withdrew himself from the ongoing French Open on June 6, 2021. Federer said that he decided to pull out from Roland Garros after discussions with his team. He stated that after two knee surgeries and over a year of rehabilitation, it is important that he listens to his body and make sure he does not push himself too quickly on the road to recovery.