Novak was dominant on Monday evening against Gael Monfils ( 6-3, 6-2 ) and then recorded a win in the deciding doubles match with Troicki against Mahut/Roger-Vasselin (6-3, 6-7, 10-3).
Novak beat Benoit Paire 6-3, 6-3 to clinch the win after Filip Krajinovic beat Jo-Wilfried Tsonga 7-5, 7-6. Viktor Troicki/Janko Tipsarevic face Pierre-Hugues Herbert/Nicolas Mahut in the remaining doubles dead rubber.
Serbia comfortably got past Japan in Group A. Filip Krajinovic beat Yuichi Sugita 6-2, 6-4, then Novak cruised past Yoshihito Nishioka 6-1, 6-2. Tipsarevic/Troicki duo defeated McLachlan/Uchiyama pairing to complete a 3-0 win.
