Nadal: Not enough time to adjust to grass

French Open champion Rafael Nadal is determined to make an impression at Wimbledon this year but believes his chances of success have been hindered by the tour schedule.

The Spaniard won his eagerly-anticipated clash with Roger Federer at Roland Garros on Sunday to extend his winning run on clay to 60 matches and improve his record against the world number one to 6-1.