Playing for the Nigeria women's U-20 team, Sunday made her first appearance in a FIFA tournament at the 2010 U-20 World Cup in Germany - Kuridza nechikwata chevakadzi cheU-20 cheNigeria, Sunday akaita mutambo wake wekutanga mumakwikwi eFIFA pa2010 U-20 World Cup kuGermany
, achipinda mumutambo weGroup C wakanangana neMexico semutsivi. Akatorawo chikamu mu2014 FIFA U-20 Women's World Cup muCanada, kwaakarova zvibodzwa zvitatu mumitambo mitanhatu. Akarova zvibodzwa zvitatu muchikamu chechipiri che2014 African U-20 Cup of Nations yeVakadzi.