Novak Djokovic, who has lifted the trophy five times, will face the 2018 winner, Alexander Zverev, in the main match of the day, not before 9:00 p.m. At 2:00 p.m., Daniil Medvedev, defending champion, will face rookie contender Casper Ruudwho captured the spot on Friday against the odds and with a comeback against Andrey Rublev.