Federer edges Tsonga in Australian Open quarterfinals
Tennis | January 23, 2013 19:54 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