Coventry boss Mark Robins has admitted the VAR lines are the 'bane of our life' following his side's FA Cup semi-final defeat to Manchester United on Sunday.
The Sky Blues found themselves 3-0 down after goals from Scott McTominay, Harry Maguire and Bruno Fernandes.
Yet Ellis Simms, Callum O'Hare and Haji Wright all struck to send the match into extra time.
Coventry thought they'd won the match when Victor Torp scored just before penalties, only for VAR to rule the goal out for offside.
Coventry boss Mark Robins has admitted he finds VAR to be the 'bane of our life' after Man Utd FA Cup defeat
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United went on to win the shootout, with Ben Sheaf and O'Hare missing for Coventry.
Yet Robins is proud of the way his players performed and, when quizzed about VAR, said it was the 'bane of our life'.
"We conceded too many poor goals," he admitted.
"We knew we had to make changes which we did at half time. We spoke about not having regrets. We started to look more of a threat.
"To come back from 3-0 down is incredible. Some good quality football. We were really disappointed at the end.
"We hit the bar and had a goal disallowed. It was a really difficult game. We lose Tavares to injury and had to make another change.
"If you can attack them you can really hurt them. I can't be prouder of them.
"They did fantastically well. I think we've made Coventry proud.
"You get to penalties and it's a lottery. You don't hold anything against anyone if they show the courage to take one in a cauldron."
On the offside goal, he continued: "It's a toe nail. Those lines are the bane of our life.
"You don't get a chance often to go to an FA Cup final and we were really really close.
"We have to pick ourselves up because there's a game on Wednesday.
"There's always a bit of gamesmanship [in penalties]. We needed to score the five goals.
"We scored the five in the summer and missed the sixth and Luton went up. It feels like a kick in the teeth.
"I'm really proud of them.
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Coventry thought they'd beaten Man Utd when Haji Wright struck towards the end of extra time
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"We've just said to them they've put themselves right up there in the history of the football club. People will talk about this game for a long time."
However, while it was painful for Coventry, it was a huge win for United.
And Andre Onana, who saved from O'Hare in the penalty shootout, was delighted with the result - though did admit the Red Devils 'lost control of the game' before securing victory.
"It's a mixed feeling. We went through, that's why we came here," he said.
"It was a tough game at the end. We were in control.
Coventry did their supporters proud despite losing to Man Utd in the semi-finals of the FA Cup at Wembley
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"After so many individual mistakes we conceded three goals. The most important thing is to win. We have to look forward to the coming games.
"Somehow we lost control of the game.
"We are Man Utd. We must win. We feel good, we feel happy to be in a final. We'll come back here to win.
"The most important thing is the victory. We're in the final, that's what matters."