Tien reached two junior Grand Slam singles finals in 2023, at the Australian Open and U.S. Open, and played one semester of college tennis at Southern California before turning pro that year.

Tien’s mother was a teacher which is why he is named “Learner.” Tien graduated high school at 16. As a junior, he reached two junior Grand Slam finals and achieved a 76–23 win-loss record.

Vinicius Junior đã có lần đầu tiên đá hỏng phạt đền trong thời gian thi đấu chính thức cho Real Madrid sau chuỗi 7 lần thực ...