Matt Clarke on target but Blues go down
Karlan Grant put the visitors in front, converting from a rebound after he had seen his penalty saved. He then added Charlton's second with a fine finish from the edge of the area.
Town almost took the lead inside the third minute, Byron Lawrence’s cross coming within inches of being turned into his own net by a Charlton defender.
The Addicks were awarded a penalty when Holmes-Dennis' acrobatic volley was judged to have been handled.
Grant saw his penalty saved by Town ‘keeper Marsden but was on hand to smash the rebound into the back of the net.
Blues had an opportunity to draw level with Emmanuel's fantastic run allowing him to pull the ball back across goal for George Clarke but he sliced his shot wide of the target.
Town were punished soon after as Grant picked the ball up on the edge of the box and fired across Marsden into the corner of the net.
Matt Clarke then got Ipswich back in the game, heading in from Jack Willbye's free-kick.
Ted Bishop went close to an equaliser for Blues, but Gerard Nash’s side were reduced to 10 men for the closing stages when substitute Amon Walton-Owen was given a straight red card for a challenge.