Roger Federer of Switzerland remains one of the sport's true legends and modern-day tennis great. He has not been an active performer in the circuit after battling injuries for the past couple of years, followed by knee surgery, which has affected his ranking too, slumping to the 46th spot. However, he has not called it quits yet and is ready to make a comeback when he recovers from his injuries and has gained complete fitness to hit the court. In the meantime, he would still be eyeing some records before he finally hangs up his boots as we present the four of them.