We will be seeking to go one better this time in what will be our 15th cup game of the season so far.
"It will not be easy, but it is a game we are going into with the intention of winning," said the striker.
"I've said before that you need a little bit of luck and we are probably due a bit soon - hopefully it comes on Sunday against Fulham.
"They are a strong side - big and physical - and Chris Coleman is a great manager. It will be tough because of our recent results, but the good thing about football is there is always another game to look forward to and we can't wait for this one to try and get a good result."
Robbie will be able to catch up with an old friend on Sunday as among the Fulham number now is one Simon Davies, the popular former Spur who headed south from Everton during the January transfer window.
"Digger is there now and it will be nice to see him. He is a great lad and a fantastic player - hopefully we will be commiserating with him after the game.
"Sometimes for different reasons moves don't work out like his to Everton, but he has got the quality and can play anywhere across the middle with his great engine."
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Robbie Keane fully expects another tough examination when we head to Craven Cottage to take on Fulham in the FA Cup on Sunday.After four successive away defeats to Fulham, the team registered a point in SW6 in January when Pascal Chimbonda saved the day after Vincenzo Montella stroked the home side ahead from the penalty spot in what was a feisty meeting.