No goalless draws have been registered in the first 20 matches of the World Cup for the first time since 1954.
On Wednesday, Spain beat Iran 1-0, with forward Diego Costa getting the only goal of the game in 54th minute.
At least one goal has been scored in every game of the tournament so far.
The 2018 FIFA World Cup kicked off on 14 June and will continue until 15 July, with the matches being played in 11 cities across Russia.
International news source
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