He won the boys' doubles title alongside compatriot Learner Tien at the 2023 Australian Open in January 2023.

[1][2] Born and raised in New York City, Williams attended St. Bernard's School on the Upper East Side from Kindergarten to seventh grade.

Williams relocated to Boca Raton, Florida during the Covid pandemic, where he works with fitness coach, Richard Woodruff.

[3][4] Alongside partner Learner Tien, Williams won the junior Australian Open doubles in January 2023, defeating Alexander Blockx and João Fonseca in the final 6–4, 6–4.

[5][6] Williams played his Freshman season of college tennis at Harvard, where he earned All-America singles status and 2024 NCAA Rookie of the Year.