Blues come into the semi-final play-off unbeaten in their last six games.BCFC
Blues knew victory over Swansea City on Tuesday afternoon would confirm second place and they duly did the job in South Wales, with Kieran Wakefield, Harry Manton and Rico Patterson on the scoresheet.
Across the course of the campaign, the Under-18s have won 16 of their 25 league games, drawing four and losing on just five occasions.
Blues have finished particularly strongly and come into the encounter unbeaten in their last six.
It is likely to be an entertaining matchup against the Addicks, who have also won 16 times in the Southern division this season - scoring 65 goals as they topped the table.
They were runaway winners in the end, finishing a sizeable ten points ahead of Ipswich Town, who will contest this year's other semi-final against Wigan Athletic, who topped the Northern table.
Crucial to Charlton's lofty league position was a seven-match winning run between March and May, where the team scored four goals on five separate occasions.
They did lose last time out though, falling 4-2 to Bristol City in their final league fixture - a game they did not need to win having already qualified some weeks previous for the play-offs.
WE MEET AGAIN:
Blues Under-18s 4 Charlton Athletic Under-18s 1, Saturday 24 October 2020
A devastating 15-minute spell saw Blues run out comfortable winners over the Addicks at Wast Hills in October.
Callum Sullivan had put Blues ahead inside eight minutes, finishing low past the 'keeper from just inside the area with a side-footed effort.
After conceding an equaliser in the 32nd minute, Blues retook the advantage in the second-half.
The goal came from a left-side corner as Blues kept the ball alive amid a goalmouth scramble with Rico Browne nudging it to Josh Williams. He then took charge by blasting into the roof of the net with his left foot from close range with 70 minutes on the clock.
Just eight minutes later, Amari Miller's deflected free-kick gave Blues breathing space, before Rico Patterson added a fourth just five minutes from the end.