Nottingham Forest are set for their first domestic cup semi-final since 1992 as they face Manchester United in the Carabao Cup semi-finals.
The tie is set to be played over two matches, with the first leg taking place at the City Ground on Wednesday night, kick-off 8pm. The winner will play one of Newcastle United or Southampton at Wembley next month to win the country's first silverware of the season.
Forest have beaten Grimsby Town, Tottenham Hotspur, Blackburn Rovers and Wolves to get to this stage, with Manchester United having overcome Aston Villa, Burnley and Charlton Athletic. Ahead of the big night under the lights in a couple of days' time, here is a look at all the key rules you need to know.