Australian Open 2014: Roger Federer v Rafael Nadal Nadal currently boasts an impressive 22 victories to the Swiss grass-master's 10 in their head-to-head record and the Spaniard enters the match after a battling performance against Girgor Dimitrov in the quarter-finals. But Federer, one of the true greats of the game and current all-time highest Grand Slam title winner, can never be written off even at this stage of his career and his three-sets-to-one victory over Andy Murray showed that he is still capable of putting in top-draw performances despite his age. As we keep our fingers crossed for a great semi-final, we take a look at some of their most enthralling encounters over the years.