Spanish tennis star Rafael Nadal, who was unexpectedly eliminated from the Shanghai Masters after going down to Serbia's Viktor Troicki, admitted that he is not in his best physical shape.At a news conference following the match on Wednesday, Nadal said: "I need to recover the forehand. I know I need to hit forehands."The Spaniard admitted his physical problems that left him in midyear out of tournaments like Wimbledon, Toronto and London, reports Efe."I need to recover a little bit the electricity in my legs. I need to move faster to hit more forehands. I need to create pain for my opponent," he added.Nadal, who lost 3-6, 6-7 (3-7) to crash out from the second round of the tournament, had words of praise for Troicki, saying the Serb deserved to win more than he did.