Rafael Nadal has won several grueling marathons during his career, but the feat against Daniil Medvedev at the last Australian Open is undoubtedly one of the most special. The former world number 1, who had turned up in Melbourne amidst a thousand uncertainties, recovered two sets from the Russian in the final, winning his second AO.Just when the Muscovite seemed one step away from the finish line, the Spaniard found the energy to reverse the inertia of the match. Thanks to this triumph, the Majorcan overtook Roger Federer and Novak Djokovic to reach 21 Slams.Rafa became the fourth man in history to have conquered all majors at least twice (keeping company with Djokovic, Rod Laver and Roy Emerson). The 35-year-old from Manacor will try to reach 22 already at Roland Garros, where he will be the big favorite for the win.The cho …