Four years after competing in her first Olympics, Nonaka qualified for her second Brazilian team, as a 20-year-old and a lone female table tennis player, at the 2008 Summer Olympics in Beijing, by receiving a spot from the Latin American Qualification Tournament in Santo Domingo, Dominican Republic. She lost the preliminary round match of the women's singles to Lithuania's Rūta Paškauskienė, with a unanimous set score of 0–4.
