This left Rossi on his own to take the victory by over five - seconds .
Rossi admitted afterwards that the key to Rossi 's success was not caring about Marquez 's tyre choice , and just focusing Rossi 's his own .
This left Rossi on his own to take the victory by over five - seconds , and he admitted afterwards that the key to his success was not caring about Marquez 's tyre choice , and just focusing on his own .