Emane became the world champion for the first time at the 2007 World Judo Championships in Rio de Janeiro by defeating Ronda Rousey of United States by points in the final match. After moving down in weight to the 63 kg class in 2009, Emane claimed her second World Championship title at the 2011 World Judo Championships in Paris, where she beat two-time world champion Yoshie Ueno of Japan by unanimous decision in the final.