Tennis: Medvedev opens ATP Finals account with defeat of Zverev

November 17, 2020 6:11 AMLONDON (REUTERS) - Russian fourth seed Daniil Medvedev finally claimed his maiden victory at the ATP Finals with an impressive 6-3 6-4 defeat of Germany's Alexander Zverev to join Novak Djokovic at the top of the Tokyo Group on Monday (Nov 16).