He made his first and only senior appearance for Ajaccio in the 3–1 win over AS Saint-Étienne on 13 May 2006, coming on as a late substitute for Mathieu Scarpelli.
[2] Lesueur made his debut for Istres in a 0–0 draw with Stade Reims on 17 August 2010, coming on as a late substitute for Paul Kessany.
He went on to make seventeen appearances in 2010-11, but he only played the full ninety minutes in one of these games, against former club AC Ajaccio in a 2–0 loss on 20 May 2011.
Lesueur scored a late goal to clinch a 2–0 Coupe de France victory over SC Bastia on 20 November 2010.
[4] Lesueur subsequently signed for Championnat de France amateur club FCA Calvi on his twenty–fifth birthday, 25 January 2012, at the same time as fellow forward Samir Bertin d'Avesnes.