Should Blues overcome The Royals at St Andrew's next Tuesday night then the 5th Round tie against The Potters at The Britannia Stadium will be played on the weekend of 18th/19th February.
Full 5th Round Draw:
Preston/Crystal Palace v Coventry/Middlesbrough
Newcastle v Southampton
Aston Villa v Manchester City
Everton/Chelsea v Colchester
Charlton v Brentford
Liverpool v Manchester United
Bolton v West Ham
Stoke City v Reading/Blues