Australian Open: Andy Murray (high time he gets one!
Roland Garros: Rafael Nadal (equalling Borg, no less!
Wimbledon: Roger Federer (without hope, all's lost...
US Open: Tomas Berdych (
I'm not sure how people can be confident in Del Potro, there's no way of knowing whether he'll be the same player after this injury.
Alas. Correct. I hope he will, but there's no guarantee whatsoever.