Career
Hernandez represented Cuba at the 2008 Summer Olympics in Beijing, where he competed for the men"s 55 kg class. He first defeated North of Korea"s Cha Kwang-Su in the preliminary round of sixteen, before losing out the quarterfinal match to Azerbaijan"s Rovshan Bayramov, with a three-set technical score (0–5, 2–1, 0–4), and a classification point score of 1–3. He progressed to the bronze medal match, but narrowly lost the medal to Armenia"s Roman Amoyan, with a technical score of 0–8.