[1] Born in Germany, he hasrepresented the Ghana national team.
In May 2021, VfL Bochum, newly promoted to the Bundesliga, announced the signing of Antwi-Adjei for the 2021–22 season.
He signed a contract until 2024 and joined on a free transfer from SC Paderborn.
[2] On 23 August 2024, Schalke 04 announced that they had signed Antwi-Adjei on a free transfer until 30 June 2026.
[3] Antwi-Adjei made his debut for Ghana national team on 18 November 2019 in an AFCON qualifier against São Tomé and Príncipe.