Roger Federer Beats Rafael Nadal To Win ATP World Tour Finals

This year in men’s tennis has belonged to Rafael Nadal. With wins at the French Open, Wimbledon, and the U.S. Open, he completed his career Grand Slam and climbed to the world’s No. 1 ranking.

But his perennial rival, Roger Federer, got the last laugh on the season — and served notice that he may not be done dominating the tennis world just yet.