World Cup 2018: Watch out for these in-form teams eyeing glory in Russia

Spain is unbeaten for the last 20 matches and is ranked 10th in the Fifa World Rankings

Fifa World Cup 2018 starts from June 14 in Russia. The Fifa World Cup 2018 opening ceremony will be held in Moscow's Luzhniki Stadium which will also host the final. 

There are 32 teams participating in the month-long tournament. The tournament favourites are Germany and Brazil but other strong contenders are France and Leo Messi led Argentina. 

The qualifying campaign to the Fifa World Cup is a rigorous one. 

Here are the 5 teams currently on the longest unbeaten runs ahead of 2018 World Cup:

Spain

Spain is unbeaten for the last 20 matches and is