I think it may be that Andy and Nole will swap positions quite a few times over the next few months. Nole is on form at the moment and seems to be better on clay at the moment than Andy. Nadal has just put himself into the final and his No.1 position is not in jeopardy but the other 2 I just don't know what will happen. Federer I feel will come down to 4 fairly soon. what do you experts see happening?