Nadal claimed undoubtedly one of his greatest title victories in his 29th Grand Slam final, going on to win his second Australian Open, 13 years after his first in 2009. Federer was quick to congratulate long-time rival Rafa Nadal for his historic victory over Daniil Medvedev that put the Spaniard one Grand Slam clear of the Swiss legend and world number one Novak Djokovic on the all-time Grand Slam titles race. “What a match! To my friend and great rival, Rafael Nadal. Heartfelt congratulations on becoming the first man to win 21 Grand Slam singles titles. “A few months ago we were joking abo…