Nervous Nishikori masters Murray

Japanese star opens ATP Finals with sweep of home favorite

Japan's Kei Nishikori admitted he had to overcome a case of severe stage fright before marking his ATP Tour Finals with an impressive 6-4, 6-4 victory over Andy Murray.

Nishikori is the first Asian singles player to qualify for the prestigious season-ending tournament and he had the honor of playing in the opening match against former Wimbledon champion Murray on Sunday.