FROM THE SAP OPEN IN SAN JOSE, FEB 11- Juan Martin Del Potro is by no means all the way back. In fact, according to him, he has thousands of kilometers to go before he reaches his 2009 US Open-winning form. So how come he was able to stomp on Lleyton Hewitt 6-2, 6-3 and reach his first ATP semi since the 2009 ATP finals? How come he was able to boom serves in the 130s, crush his forehand and move oh so well for a man of 6-feet-6?
Probably because he is playing better than he thought he would. If the Argentine didn