Ntelo is a youth academy graduate of
Standard Liège. On 23 July 2021, club announced that three players including Ntelo will join Dutch side
MVV Maastricht on a season long loan deal. He made his professional debut on 9 August 2021 in a 1–0 league win against
Jong Utrecht. On 20 August, he scored his first
three goals in professional career in a 3–2 win against
Helmond Sport. In August 2022, Ntelo joined
Charleroi on a two-year contract. On 30 January 2024, he joined Bulgarian club
Lokomotiv Plovdiv. On 27 August 2024, Ntelo joined
Yverdon. ==International career==