Willian scored twice in a 2–3 league defeat to West Ham United on 1 July 2020. In doing so, Willian became the first player to score a Premier League goal in every calendar month. He scored in his third consecutive game from the penalty spot in Chelsea's next league match, a 3–0 win over Watford; the goal meant Willian had scored nine league goals which was his highest league total in a Chelsea shirt.