Which tennis player, born in Athens in 1998, was ranked world No. 3 and won the 2019 ATP Finals defeating Dominic Thiem?

• A Stefanos Tsitsipas ✓
• B Nick Kyrgios
• C Marcos Baghdatis
• D Grigor Dimitrov

Stefanos Tsitsipas reached his career-high world No. 3 ranking in 2021 after winning the 2019 ATP Finals and reaching the 2021 French Open final against Novak Djokovic.