By Alix Ramsay Tennis is a very simple game when you break it down: put the ball where the other bloke isn’t and the point is yours. And Novak Djokovic does it so terrifyingly well. He reached the last four of the ATP Finals with deadly display of focus and intent, beating Alexander Zverev 6-3, 7-6 in 96 minutes. Zverev wasn’t bad (and was actually pretty impressive in … [Read more...] about Tennis From London • Year end championship Weekend • Final Four are Nadal, Djokovic, Theim and Medvedev