On the first day of the month, an own goal and a goal from Vázquez secured Madrid three points after a 2–0 win over Valencia CF. The return leg of the Copa del rey round of 32 tie against Melilla on 6 December 2018, was won 6–1 to give Madrid a 10–1 victory on aggregate. Goals were scored with braces from Asensio and Isco plus goals from Vinícius and Javi Sánchez. Three days later, a Bale goal gave Real a 1–0 victory over SD Huesca. Madrid suffered a 0–3 loss against CSKA Moscow in the last matchday of the Champions League group stage. A lone goal by Benzema helped Madrid to win 1–0 against Rayo Vallecano on 15 December 2018. On 19 December 2018, the semifinal of the 2018 FIFA Club World Cup was won 3–1 against Kashima Antlers with a hat-trick from Bale. The final three days later was won 4–1 against Al-Ain after goals from Luka Modrić, Marcos Llorente, Ramos and an own goal.