The world number 1 was stunned by the big serving American in five sets.
Andy Murray lost 3-6, 6-4, 6-7 (4), 6-1, 6-1 to Sam Querrey, making the American the first man into the semi-finals, and the first American into the semi-finals of a Grand Slam tournament since Andy Roddick in 2009.
Roger Federer has triumphed over Rafael Nadal in an epic five set match: 6-4, 3-6, 6-1, 3-6, 6-3! The 35 year old has defied the odds to overcome his Spanish rival and came back to defeat Nadal in the final seet with a deficit of 1-3 down. This is Federer’s 18th Grand Slam, and his fifth Australian Open title, which will propel Federer back into the top 10 in the rankings.