Cooper Williams

Cooper Williams
Country (sports)	United States
Residence	Boca Raton, Florida
Born	June 17, 2005 (age 20); New York City
Height	190 cm (6 ft 3 in)
Prize money	US $25,174
Singles
Career record	0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	0
Highest ranking	No. 688 (8 August 2025)
Current ranking	No. 722 (25 August 2025)
Doubles
Career record	0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	0
Highest ranking	No. 516 (12 June 2023)
Current ranking	No. 1088 (25 August 2025)
Grand Slam doubles results
US Open	2R (2025)
	Last updated on: 25 August 2025.

Cooper Williams (born June 17, 2005) is an American tennis player. He has a career-high ATP singles ranking of world No. 688, achieved on 8 August 2025 and a doubles ranking of No. 516, achieved on 12 June 2023.

Williams won the boys' doubles title alongside compatriot Learner Tien at the 2023 Australian Open in January 2023.^[1]^[2]

Early life

Born and raised in New York City, Williams attended St. Bernard's School on the Upper East Side from Kindergarten to seventh grade. He graduated from Dwight School Global in June 2023. Williams relocated to Boca Raton, Florida during the Covid pandemic, where he works with fitness coach, Richard Woodruff.^[3]^[4]

Career

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]

In August 2025, he made his main draw grand slam debut alongside Theodore Winegar at the 2025 US Open, having received the US collegiate wildcard into the men's doubles having won the inaugural American Collegiate Wildcard Playoff in Orlando.^[7] In the first round they defeated Czech pairing Petr Nouza and Patrik Rikl in straight sets before facing previous finalists and the No. 4 seeds Kevin Krawietz and Tim Puetz.^[8]^[9]

College

Williams played his Freshman season of college tennis at Harvard, where he earned All-America singles status and 2024 NCAA Rookie of the Year. He led the Crimson to its highest NCAA ranking in program history, #6 in the nation. Williams now plays for Duke University.

ITF World Tennis Tour finals

Singles: 2 (2 titles)

Legend
ITF WTT (2–0)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	Jun 2025	M15 Monastir, Tunisia	WTT	Hard	Marcus Walters	6–3, 6–1
Win	2–0	Jun 2025	M15 Monastir, Tunisia	WTT	Hard	Luca Potenza	6–3, 7–5

Doubles: 6 (4 titles, 2 runner-ups)

Legend
ITF WTT (4–2)

Finals by surface
Hard (4–2)
Clay (0–0)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Jul 2022	M25 Edwardsville, US	WTT	Hard	Kweisi Kenyatte	Makoto Ochi Seita Watanabe	6–7^(1–7), 3–6
Loss	0–2	Aug 2022	M15 Memphis, US	WTT	Hard	Alex Michelsen	Millen Hurrion Finn Reynolds	0–6, 1–6
Win	1–2	Sep 2022	M15 Fayetteville, US	WTT	Hard	Alessio Basile	Adrien Burdet Melvin Manuel	6–4, 6–3
Win	2–2	Mar 2023	M25 Calabasas, US	WTT	Hard	Edward Winter	Rohan Murali Elijah Strode	6–2, 6–3
Win	3–2	Oct 2024	M15 Winston-Salem, US	WTT	Hard	Daniel Milavsky	Ryan Fishback Henry Lieberman	6–1, 6–1
Win	4–2	Jul 2025	M15 Monastir, Tunisia	WTT	Hard	Matthew Rankin	Daniil Bogatov Evgenii Tiurnev	6–3, 5–7, [10–5]