Victor Lindelof scored the decisive spot-kick as Erik ten Hag’s crew received 7–6, following a pass over through Solly March, staying heading in the right direction for a home cup double.
The semi-final completed 0-0 after extra-time, with neither facet appearing the leading edge required to damage the impasse.
Ten Hag made 3 adjustments from his crew’s Europa League horror display at Sevilla in midweek.
Luke Shaw got here in at centre-back for the suspended Harry Maguire, with Marcus Rashford and Bruno Fernandes changing Jadon Sancho and Marcel Sabitzer.
United have already received the League Cup this season to finish a six-year trophy drought and are in a robust place to complete within the best 4 of the Premier League.
But their self assurance took a battering in Thursday’s 3-0 defeat in Spain, which supposed a 5-2 defeat on combination within the Europa League quarter-finals.
Brighton, who misplaced the FA Cup Finals replay to United 40 years in the past, had received the remaining two league fixtures between the edges and got here to Wembley on a top after beating Chelsea remaining week.
The south-coast membership settled first and had an early sight of objective when Kaoru Mitoma was once introduced down clumsily at the fringe of the field through Antony within the 6th minute.
Argentine World Cup winner Alexis Mac Allister hit a positive curling effort that David De Gea did smartly to stay out sooner than Julio Enciso flashed a shot broad.
Roberto De Zerbi’s Brighton had been dominating ownership, with United it seems that glad to take a seat again and take a look at to milk the tempo of Rashford and Antony.
Brighton goalkeeper Robert Sanchez beat out a Bruno Fernandes effort in United’s first significant effort.
The massed ranks of Brighton enthusiasts had been willing to play at the nerves of De Gea on every occasion the ball landed at his toes following a nightmare recreation for the Spaniard in Seville.
Paraguay world Enciso shot narrowly broad simply after the 1/2 hour mark after positive paintings down the left through the spectacular Mitoma.
United, for lengthy scrappy sessions, produced a flurry of probabilities in a while sooner than half-time.
First Fernandes flashed narrowly broad when the unmarked Anthony Martial was once begging for the ball in the midst of the field sooner than Martial mishit an tried chip smartly over the bar.
Then Rashford picked out Christian Eriksen, whose shot was once kicked away through Sanchez.
Brighton had been briefly out of the blocks in the beginning of the second one 1/2. Enciso compelled De Gea into a wise save sooner than former United ahead Danny Welbeck headed over from the ensuing nook.
United then carved out a golden probability to take the lead when Rashford was once introduced down through Enciso within the sixty fourth minute however Fernandes didn’t get the ball over the wall.
United had been now on best however may just no longer power a leap forward and the stress ratcheted up as the sport entered the remaining 10 mins of standard time.
March compelled a positive save from De Gea as Brighton poured ahead once more, searching for a overdue winner after which he headed over from a nook.
But neither facet may just destroy the impasse and referee Craig Pawson blew for extra-time.
The recreation become stretched, with half-chances at each ends sooner than Rashford’s deflected shot was once became away through Sanchez because the clock ticked all the way down to the tip of the primary length of time beyond regulation.
By now United had made 5 adjustments.
Top-scorer Rashford, who struggled to hit best equipment, flashed broad with 10 mins to head sooner than De Gea cleared following a goalmouth scramble on the different finish.
A high quality shootout came about in entrance of the massed ranks of the Brighton enthusiasts however in the end the Red Devils held their nerve.
(With inputs from AFP)
