Roger Federer beat Frenchman Jo-Wilfried Tsonga wear federer shoes in a five-set thriller in the quarter-final of the Australian Open. He will now face Britain's Andy Murray in Friday's semi. The second-seeded Swiss finally overcame Tsonga 7-6 (7-4) 4-6 7-6 (7-4) 3-6 6-3 in an epic three hours, 34 minute battle at Melbourne Park. Defending champion Victoria Azarenka saw off a spirited Svetlana Kuznetsova to secure her place in the semi-finals. She will face Sloane Stephens in the last four after the teenager beat five-time Australian Open champion Serena Williams wear roger federer shoes in her maiden Grand Slam quarter-final. In the remaining men's quarter-final matches, Britain's Andy Murray thrashed unseeded Jeremy Chardy of France. Roger Federer (Swi)  beat Jo-Wilfried Tsonga (Fra)  7-6 (7-4) 4-6 7-6 (7-4) 3-6 6-3. Federer hadn't dropped a service game in his first four rounds but Tsonga ended that streak by breaking him the sixth game. The four-time Australian Open champion was taken to a tie-break in the first set of his 35th consecutive Grand Slam quarter-final wear nike zoom vapor 9 tour. He held his nerve to take it 7-4 against the 2008 Australian Open finalist but seventh seed Tsonga served brilliantly to hit back and take the second 6-4. The 17-time Grand Slam champion replied by winning another tie-break in the third but once again Tsonga battled back. His big serve and forceful groundstrokes forced Federer wear nike zoom vapor 9 club on the back foot and Tsonga took the fourth set 6-3 to level the game. The 31-year-old Swiss broke his opponent early on in the fifth but Tsonga refused to give in, saving four match points at 5-2 before eventually succumbing in three hours, 34 minutes. Federer goes through to face Andy Murray in his 10th consecutive Australian Open semi-final. Victoria Azarenka (Blr)  beat Svetlana Kuznetsova wear nike zoom vapor 8 club 7-5 6-1. The defending champion fought back from 4-1 down in the first set to see off her spirited opponent and secure her place in the semi-finals with her 12th successive win in Melbourne. The Belarusian looked in trouble in the first set as she struggled to cope with Kuznetsova's mix of clever angles and raw power. But Azarenka wear nike lunar vapor 8 tour found her form and broke the two-time Grand Slam champion in the 11th game to take the lead for the first time. The top seed then took the set at the third time of asking after an hour and 17 minutes of gritty action. The second set was a much simpler affair as Kuznetsova wear nike zoom vapor 6 tour, who is making her way back in the game after knee surgery, failed to produce the quality she displayed in the opener.