Top seed and five-time former champion failed in attempt to score his second win in as many matches at the 2020 season finale in London, as he was defeated by no.4 seed Daniil Medvedev 3-6, 3-6 in one hour and 21 minutes at The O2 Arena. Novak will look to book his place in the last four when he meets Alexander Zverev (GER, 6) on Friday.