Federer edges Tsonga in Australian Open quarterfinals
Tennis | Jan 23, 2013, 07:54 PM ISTMelbourne, Jan 23: Four-time Australian Open champion Roger Federer edged out seventh-seeded Frenchman Jo-Wilfried Tsonga 7-6, 4-6, 7-6, 3-6, 6-3 to reach his 10th consecutive semifinal here at the Melbourne Park Wednesday.Tsonga unleashed a barrage