Originally Posted by Wolbo
According to my little spreadsheet Djokovic and Murray are now the first players who can pass Federer as no.1 and both can do so after Madrid. At this point Del Porto and Nadal can only pass him after RG. This all assumes Fed losing all his matches and the others winning all their matches.
I guess you suppose that Djokovic plays Houston or casablanca, because if not there's no way for him to catch Fed after Madrid in my calculation