No, the most you can gain is 4 points if you get it spot on. You would have to really push the boat out and pick Berdych/Del Potro in order to be able to get into 1st. You still have the final to over-take on though if you manage to gain at least 3 points.
Good. I'm not bothered about 1st as 2nd is as good, wanted to see where I stood.