The 2 biggest contenders got kind of screwed this week. Del Potro will probably play a QF against Tsonga in Valencia who he just lost to and Tipsarevic has got Murray in the Basel QF. Besides that Del Potro is the only realistic shot at making London I say, he could beat Tsonga and could well make a deep run in Paris.
Gael is the only guy that has an actual shot because of how he plays like a man possessed in Bercy. If he wins Valencia which is possible because he owns Ferrer in the head-to head and Tsonga will be tired from last week.