So our dearest masterclass thinks Federer will be back to No. 1 next year. Muhahahahahhahahaha. Cute. I like it. :p
But of course, we live in the world of possibilities and by that notion, anything is possible but know, the uncertainty principle doesn't care for a set of rules and will play a crucial part in the so called prediction world. You maybe logical ... reasonable even in your thinking, but it's just one dice that will make your world go all upside down. :p