 Lambert's first semi-final was in September 2013 at the Abierto Mexicano de Racquetas tournament in Toluca, Mexico.Lambert upset 2nd seed Rajsich in the Round of 16, then defeated Maria Paz Muñoz in the quarter-finals before losing to Amaya in the semis in four games, 11-9, 6-11, 11-0, 11-5.Lambert won Women's Singles at the 2017 Canadian Championships in Brossard, Québec, where she defeated Jennifer Saunders in the final, 15-7, 15-8.