West Ham flew into the fifth round on Wednesday night with a convincing 4-1 win over Brighton at Upton Park.
A brace from Rob Hall and individual efforts from duo Matthias Fanimo and Elliot Lee secured a relatively easy win for the Hammers.
Chelsea and Norwich City’s fourth round encounter had to be taken to penalties after it ended goalless after 90 minutes.
Penalties ended 4-2 to send Chelsea through to the next round.
Southampton cruised through after coming from a goal behind to beat Bolton Wanderers at St Mary’s.
Oscar Threkeld opened the scoring before half-time for the Trotters but second-half strikes from Jake Sinclair and Corby Moore saw Saints progress.
Tottenham enjoyed similar fortunes to their first-team on Wednesday night as they made it through thanks to a win over Cardiff City.
Jack Munns and Souleymane Coulibaly each scored for Spurs who have also progressed in the NextGen Series and are looking for tournament success this year.
Jesse Darko grabbed the consolation for Cardiff.
Tonight’s FA Youth Cup action sees Burnely at home to Ipswich Town and we see even more fixtures over the weekend. The Youth Radar will bring you coverage of all the games after the weekend.