Djokovic retires to give Russia victory (AP) An ailing Novak Djokovic retired despite leading in the first reverse singles match Sunday, giving Russia a 3-2 win over Serbia and a spot in the Davis Cup quarterfinals. Djokovic, who was playing his first singles match since winning the Australian Open, was leading Nikolay Davydenko 6-4, 6-3, 4-6 when he quit, allowing Russia to take an insurmountable 3-1 lead. Publish Date: Sun, 10 Feb 2008 08:11:58 PST Read more...