Petkovic argues with Chair Umpire

Roger Federer gave a long and funny interview to Jim Courier on the Rod Laver Arena after his win against Tomas Berdych in quarters of the Australian Open. Talking about Rafale Nadal injury, his style, his win against Berdych and his next step against Chung.

Roger Federer was so moved during his speech after winning his 20th Grand Slam title at the Australian Open.