London calling: The ATP Finals champions since 2009 in pictures
2020 will be the last time London hosts the ATP Finals – take a look back at the champions in pictures, from Nikolay Davydenko to Stefanos Tsitsipas.
Russia’s Daniil Medvedev won the 2020 event and became the first player to defeat sweep through all Top 3 players at the same event (Nadal, Djokovic, Thiem)