On 15 September, after coming off of a calf injury that he suffered during the first game of the 2019–20 league campaign, Suárez opened his scoring account by netting a brace in a 5–2 victory over Valencia as a 60th minute substitute. On 2 October, he scored two goals in a 2–1 comeback win over Inter Milan in the 2019–20 UEFA Champions League group stage. Four days later, he opened the scoring in a 4–0 league victory over Sevilla with a bicycle kick.