"The performance doesn't feel too good, that's how it is. But for the final everything is open," Klopp said.

Mercurial Superfly V black "At this moment there's two disappointed managers after the game, one because he lost, the other because he won 1-0 and has to go to Anfield, and that's how it is.

"We will strike back, we will be a different team, different side - everything will be different at Anfield.

"So for us it's still possible to go to Wembley, and that's the target. That's the only comfort to take from tonight.

MercurialX Proximo II "Losing 1-0 is the third-best result you can get. I don't like it too much, but it's still possible."

16.3 Primemesh black Daniel Sturridge appeared nonplussed by a change of tactics in the second half, when passed details on a sheet of paper, with other Liverpool players also bemused by Klopp's switch.

X 16.1 purechao black The former Borussia Dortmund manager revealed he had altered Liverpool's tactics to 3-5-2, and admitted failing to get the message across to his players quickly enough.

Liverpool next take on Manchester United at Old Trafford in Sunday's Premier League encounter, with Klopp demanding an immediate upswing in performance from his side.

"It was just a new system, however you want to call it, 3-5-2," said Klopp. "Two wingers, two strikers, that's all. No more information, but it was enough.

"I think we were a little bit too late when we gave him the paper when the game was already running on. That was our mistake.

"Seven or eight could see it but Roberto (Firmino) needed a bit longer. So things like this happen.

"I've tried already three or four times now but I cannot make this result better.

elastico superfly green "The start was good, really good, we played how we wanted to play.

"If we'd done that for 90 minutes it would have been very difficult for Southampton to cope with it. But after we conceded one goal the game changed.