Dominic Thiem is an Austrian former professional tennis player. He was ranked world No. 3 in singles by the ATP, achieved in March 2020. Thiem won 17 ATP Tour-level singles titles, including the 2020 US Open. He was also runner-up at three other majors (the 2018 and 2019 French Opens, and at the 2020 Australian Open), and at the 2019 and 2020 ATP Finals.
As a junior, Thiem was ranked as high as world No. 2. He was runner-up at the 2011 French Open boys tournament, and won the 2011 Orange Bowl. As a professional, he broke into the top 100 for the first time in 2014. In 2015, he won his first ATP title at the 2015 Open de Nice Côte d'Azur. He reached his first major semifinal at the 2016 French Open. In doing so, he first entered the top ten in the ATP rankings. He went on to reach his first Masters 1000 final in 2017 at the Madrid Open, then reaching his first major final the next year.
Thiem won a Masters 1000 title at the 2019 Indian Wells Masters, beating Roger Federer in the final, before going on to reach three more major finals, winning the last at the 2020 US Open.