Postpublished at 21:41 Greenwich Mean Time 12 November 2014
Ok folks. That's it from us. Novak Djokovic moves a step closer to a hat-trick of titles at the O2 in one of the most flawless displays of tennis I've ever seen.
Join us tomorrow for Nishikori against Raonic at 14:00 GMT and the battle royale that Murray against Federer promises to be at 20:00 GMT. Goodnight.