Share this: It took nearly four hours, but Roger Federer is a champion once more. The 35-year-old tennis star met his rival Rafael Nadal in Monday’s Australian Open final, and it was a nail-biter to the very end. And despite the fact Nadal entered the match with a 23-11 lead over Federer in 13 years of head-to-head matchups, the Switzerland native was able to hold Nadal off in a five-set thriller, winning 6-4, 3-6, 6-1, 3-6, 6-4. Nadal played Federer to a 3-1 lead to begin the fifth set, but Federer, who was playing through a right quad injury that required on-court treatment, came roaring back to beat the 30-year-old Spaniard for his 18th Grand Slam title. Federer saved two break points before Nadal sent a