[3] On 11 July 2013, he stated to the French sport newspaper L'Equipe, "I've done some research, my family originated from the Nantes area.

Le Roux was tempted by Rugby World Cup winning coach Jake White to sign with the Lions for the 2010 Super 14 season.

[5][6] However, Le Roux explains that he "fell in love with the country, the culture and the rugby environment", and remained on with Racing Métro after his short-term contract.

He made his first appearance for France when playing against Super Rugby side the Auckland Blues on 11 June 2013.

[8] Le Roux made his test debut 4 days later in Christchurch, starting and playing the full 80 minutes in a 30–0 defeat to the All Blacks.