I set the poll to allow multiple selections. The players are paired in order so just choose the 4 you think will win
Take comfort in the fact that the rest of us will save money on coffee that day. That match-up is painfully tedious. At least it'd have been on grass.
You answered your own question. Maybe you should try to convince Djoko and Nadal to start a tour with just the two of them. So you can see them towel it out for hours/days/months. That would be interesting! And what does this implicate?