Real Madrid ace Kaka insists their Copa del Rey clash with Alcorcon is not over.

Real must overturn a 4-0 deficit from the first-leg and Kaka insists it can be achieved.

"For pride and the history of Real Madrid, we have to win this tie," said Kaka. "The victory in the derby has given us much spirit to make the comeback. For pride and the history of Real Madrid have to win this tie."