Nigeria on Wednesday announced friendlies against Serbia, Czech Republic and Congo as part of their preparations for the World Cup finals.
The president of the Nigeria Football Federation, Amaju Pinnick, said the first match against Serbia will take place in London on March 27.
The Super Eagles will then take on Congo on May 28 in Abuja and Czech Republic in Austria on June 6.
Nigeria have previously announced friendlies against Poland in Warsaw on March 23 and England in London on June 2.
The four-time Africa Cup of Nations champions have been drawn in Group D at the finals in Russia, alongside Argentina, Croatia and Iceland.