Re: Which players smoke?
There were reports that Djokovic used to smoke occassionally until Cetojevic came up. I cannot confirm or deny that since I do not know.
ATP: Federer, Nadal, Delpotro, DC-Spanish Armada, The French team
WTA: Ivanovic, Sharapova, Zvonareva, the rest of the Russians, Williams sisters, Azarenka, Schiavone, FC-Russia, Serbia, Italy