Rubuta ci gaba don wannan sakin layi - Antwi ya wakilci ƙungiyar Ghana U20 a cikin 2015. An zaɓe shi don Gasar Zakarun Afirka ta 2015 U-20
a Senegal, daga baya ya lashe wasa daya da Mali a wasan karawa na uku. An kuma zaɓe shi a cikin 'yan wasan Ghana na farko don gasar cin kofin duniya ta FIFA U-20 ta 2015 a New Zealand, amma ba a yanke shi ba.