World Cup 2018: 5 Things We Learned From England's First Game

VAR has so far proven an intriguing addition to the World Cup, helping to award some penalties that might not otherwise have been given and giving the general impression that games are a little fairer, as well as offering spectators all around the world a few more reasons to yell at their TVs.

However, the system still seems a little confusing regarding when exactly it should be used and what decisions merit to be overturned. Nowhere was this more evident than during England's win over Tunisia.

Kyle Walker's foul on Fakhreddine Ben Youssef seemed a little soft at first glance, but replays showed that it was a silly thing to do and the decision to award Tunisia a penalty was widely judged to be a fair one overall. But then, later on in the game, England were well within their rights to complain on two separate occasions when no penalties were awarded for similar fouls on Harry Kane in the box.

Referee Wilmar Roldan ignored English pleas but one has to wonder why the VAR didn't intervene when replays showed Kane literally being hauled to the ground on two separate occasions, denying him any chance to attack two separate corner deliveries. Walker's elbow was careless, but the moves employed by some of the Tunisian defenders wouldn't have looked out of place in a WWE bout.