In August 2019, he joined French club Bordeaux on a three-year deal.

[2] After failing to break into the club's first team squad, he joined Lommel on a short-term loan deal in February 2021, with option to buy.

[4] On 3 August 2021, Austrian club TSV Hartberg announced the signing of Lemoine on a two-year deal.

[5] He made his professional debut four days later on 7 August in a 4–3 league defeat against Austria Klagenfurt.

He was part of Belgian squad which reached semi-finals of 2018 UEFA European Under-17 Championship.