none of them, but gasquet is most likely when hes in his early 20s. roger will be aging by then so it will be more equal. but to be honest none of those players are capable of being a true rival. roger is just on another level which isnt reachable for others. people say nadal, hes han a great year, any other year he would be no1 but he is still 2500 points behind roger. that is a huge margin.