Janko Tipsarevic talks about the emotions he feels when he lines up alongside his teammates - his best mates - to represent Serbia in Davis Cup by BNP Paribas. The world No. 9 also looks ahead to Serbia's trip to the O2 Arena in Prague to face Czech Republic in the World Group quarterfinals on 6-8 April.
Janko Tipsarevic (SRB) - 30/03/2012