2017 Mubadala World Tennis Championship – Men's singles

Rafael Nadal was the competition's defending champion but withdrew before the start of the competition and was replaced by Roberto Bautista Agut.

Seeds
• # 🇦🇹 Dominic Thiem (semifinals) (Third place)

• # 🇪🇸 Pablo Carreño Busta (quarterfinals) (Sixth place)

• # Novak Djokovic (withdrew due to an elbow pain)

• # Kevin Anderson (champion)

• # 🇪🇸 Roberto Bautista Agut (final) (Runner-up)

• # 🇷🇺 Andrey Rublev (quarterfinals) (Fifth place)