Serbia have won the inaugural ATP Cup by scoring a 2-1 victory over Spain.
The final in Sydney went down to the deciding doubles rubber after the two nations split the singles matches.
Novak Djokovic teamed with Viktor Troicki to beat Pablo Carreno Busta/Feliciano Lopez 6-3, 6-4.
Roberto Bautista Agut had initially given Spain a 1-0 lead after registering a 7-5, 6-1 win over Dusan Lajovic.
However, Djokovic forced the doubles after beating World No. 1 Rafael Nadal 6-2, 7-6.