Leeds have already beaten two Championship sides in the competition, Derby County and Birmingham City, although they needed penalties to see off the Blues.
In the Premier League, they had become draw specialists with eight in 14 games before successive single-goal defeats at home to Manchester City and Sunderland.
Two seasons ago, Leeds thumped Norwich 4-0 in the second leg of their Championship play-off semi-final, and fan Connor McGilligan said in that game the Canaries – under David Wagner – were no more than “a zebra crossing to a win, it was that easy”.
He is expecting a far tougher test for the Whites this time and Leeds will not be helped by Farke having to watch the return of his former club from the stands, not the dugout, because he is serving a one-game touchline ban.
The German admitted an FA charge of misconduct for confronting officials after Leeds’ defeat by Manchester City at Elland Road in the Premier League last Saturday.
YouTuber McGilligan told BBC Radio Norfolk’s The Scrimmage podcast: “I’ve been very impressed with the turnaround at Norwich.
“It’s really good to see Philippe Clement come in and do what he’s doing. There’s been some really impressive results in there, [beating] Coventry and Wrexham.
“If Norwich are able to keep hold of the ball, take the zip out of the crowd, surprise Leeds and the fanbase with how dynamic they are, especially out wide – I think there’s areas to hurt Leeds down the flanks in those one v one duels with how pacy the wingers are and how unorthodox they can be.”