Nope. Tennis is the hardest sport game to bet. Their ranking would not determine how are they going to play. And they have so many sets game so it is hard to predict which one is going to win
i have earned lots of money from tennis betting, am i good? actually i won over 7btc from tennis this year, i think some matches are cery unexpcted, but djokovic's match is very easy money.
I would prefer to hear about your ROI% and the time it took you to get there, and also the % you normally bet based on your betting bank. That says a lot of the skill of the punter. Not saying you are bad of course, but you could have made that with a few lucky bets.
Anyway I agree with you on what you say about Djokovic though. He is an amazing tennis player.