Frances Tiafoe, nicknamed "Big Foe," is an American professional tennis player born in 1998 to Sierra Leonean immigrants, who famously grew up living at a tennis center where his father worked as a custodian. His unique upbringing led to an early start in the sport, and he made history as a junior by becoming the youngest-ever Orange Bowl champion at age 15 in 2013. Turning pro, he broke into the top 100 in 2016 and eventually reached a career-high world No. 10 ranking in June 2023, while winning four ATP Tour singles titles. Tiafoe has made his biggest mark at the US Open, reaching the semifinals in both 2022 and 2024, and has also reached the quarterfinals at the 2019 Australian Open and 2025 French Open. Currently ranked as the American No. 5, his inspiring journey from living in a tennis facility to Grand Slam contender makes him one of the sport's most compelling figures.