Ajay.U.K The rivalry of the Big Three: Federer, Nadal, Djokovic seems to never end as the duodécimo has put Spain’s raging bull just 2 titles away from surpassing Federer (20) in terms of most Grand Slam singles titles. Novak Djokovic is also on the run with 15 titles and the G.O.A.T race has just begun….