On 31 August 2018, the last day of the 2018 summer transfer window, Abass joined
Bundesliga side
1. FSV Mainz 05. On 6 January 2020, Abass joined Dutch club
FC Twente on a loan deal until the end of the season. On 31 August 2022, his contract with Mainz was dissolved by mutual consent. In September 2022, Abass moved to Portugal, joining
Primeira Liga side
Chaves. On 8 February 2024, Chaves sent Abass on loan to
Persian Gulf Pro League club
Sepahan until the end of the
2023–24 season. ==International career==