England manager Gareth Southgate, after Tuesday night's draw against Italy. Photo: Adam Davy/PA Wire

LONDON - England manager Gareth Southgate believes a lack of clarity over the video assistant referee (VAR) system could blight the 2018 World Cup.

Southgate's side were denied another impressive World Cup warm-up friendly result as Lorenzo Insigne's penalty three minutes from time salvaged a 1-1 draw for Italy at Wembley on Tuesday.

However, the visitors were only awarded a spot-kick after German referee Deniz Aytekin overturned his initial decision not to give a penalty, when substitute Federico Chiesa tumbled under the challenge of James Tarkowski, using VAR.

"I'm glad it's not the World Cup just yet," said Southgate. "I think the ruling is 'clear and obvious' and it's not. It's one you can debate all day."

Southgate added that he is against the use of technology, as in England's Premier League, despite the huge financial considerations wrong decisions can affect.

"I prefer referee's decision is final. It's sport and we shouldn't be talking abut how much money it's cost or lost." 

England were on course to back up their 1-0 win over the Netherlands on Friday and draws against World Cup favourites Germany and Brazil back in November thanks to Jamie Vardy's 26th-minute opener.

"Generally over the two games I'm really pleased," added Southgate.

"In the last four games we've played four of the biggest countries in the world, at different levels of progression, and been competitive in every one."

The decision to use VAR at the World Cup has not been an entirely popular one due to mixed results from a series of trials across the world.

But replays proved Tarkowski had trod on Chiesa's foot and Insigne wasn't distracted by a lengthy wait to take the penalty as he smashed low into Butland's right-hand corner.

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