He showed that a sliced backhand with a powerful forehand can get you far on the ATP World Tour , of course it 's not the same Del Potro that won his maiden grand slam .
It is still a dangerous Argentinian on a mission .
He showed that a sliced backhand with a powerful forehand can get you far on the ATP World Tour , of course it 's not the same Del Potro that won his maiden grand slam but it is still a dangerous Argentinian on a mission .