Something smacks of a conspiracy theory here. Nole, Fed, Rafa, and Andy, all out of the tournament in 24 hours? I don't know if there's a sports equivalent to price-fixing, but alert the regulatory agencies. This all smells fishy.
So if Jo beats Andy (who knows what's going tho happen), then the three of the final fourt players will all be in the hunt for Shanghai and the possibility of Crazy Train AND Commodus NOT qualifying is actually pretty good. The winner of the Blake/Tsonga match would qualify for Shanghai, and Nalby would qualify if he then won the whole thing, which is entirely possible.
So for the Elf/Commodus fans out there, you better be rooting for a Kolya/A-Rod final. Ew.