Daniil Medvedev beat Dominic Thiem to clinch ATP Tour 2020 Nitin Yadav 4 years ago In Tennis, Daniil Medvedev (Russia) beat Dominic Thiem (Austria) to clinch the 2020 ATP Tour Finals, organized in London.This is the biggest title of his career. The 24-year-old will finish the year at fourth position in the world rankings.