| William Blumberg | |
| Residence: | Greenwich, Connecticut, United States |
| Birth Date: | 26 January 1998 |
| Birth Place: | New York City, United States |
| Height: | 1.88m (06.17feet) |
| Turnedpro: | 2021 |
| Plays: | Right-handed (two-handed backhand) |
| Coach: | MB Pope |
| Careerprizemoney: | $301,567 |
| College: | North Carolina |
| Singlesrecord: | 0–1 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 438 (January 7, 2019) |
| Currentsinglesranking: | No. 1491 (15 January 2024) |
| Usopenresult: | Q1 (2017) |
| Doublesrecord: | 33–22 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Doublestitles: | 3 |
| Highestdoublesranking: | No. 74 (September 12, 2022 & April 8, 2024) |
| Currentdoublesranking: | No. 85 (20 May 2024) |
| Frenchopendoublesresult: | 1R (2023) |
| Wimbledondoublesresult: | 2R (2022, 2023) |
| Usopendoublesresult: | 1R (2017, 2022, 2023) |
| Usopenmixedresult: | SF (2022) |
| Updated: | 23 May 2024 |
William Blumberg (born January 26, 1998) is an American professional tennis player. A former college player at the University of North Carolina at Chapel Hill,[1] Blumberg has a career-high doubles ranking of world No. 74 achieved on September 12, 2022. He reached a career-high of World No. 438 in singles on February 18, 2019.
William's parents are Amy and David Blumberg. Blumberg identifies as Catholic, like his mother, while his father is Jewish. The family often has Jewish food during holidays.[2]
Blumberg has two brothers. He attended Greenwich High School in Greenwich, Connecticut. As a senior at Greenwich, he went undefeated and did not lose a set all season.[3] In 2016, he won the Class LL state invitational title, dropping only 3 games across the whole tournament.[4]
During his junior career, he played at each of the four grand slam junior tournaments.[5] He reached the final in the boys' doubles at the 2015 French Open partnering fellow American Tommy Paul.
Blumberg was the nation's top recruit for the class of 2016.[6] After going 26–2 during his first season at North Carolina, Blumberg was named ACC Freshman of the Year, first-team all-ACC, and ITA Men's Tennis Rookie of the Year.[7] He was also named the Most Outstanding Player at the 2017 NCAA tournament.[8] In May 2021, he became the first 10-time All-America in ITA history, winning the honor in both singles and doubles in 2017, 2018, 2019, 2020 and 2021.[9] [10]
Blumberg made his Grand Slam main draw debut at the 2017 US Open after receiving a wildcard for the doubles main draw with compatriot Spencer Papa.[11]
He reached a career-high of World No. 438 in singles on February 18, 2019.
He partnered as a wildcard pair with Jack Sock at the 2021 Hall of Fame Open in Newport, where he won his first ATP match. The unseeded pair reached the finals by defeating fellow Americans Tennys Sandgren and Denis Kudla, third seeds John-Patrick Smith and Harri Heliövaara, and second seeds Jonathan Erlich and Santiago González.[12] In the final they defeated Austin Krajicek and Vasek Pospisil.[13] [14] With this run he entered the top 300 at World No. 284 on July 19, 2021, rising more than 1000 spots in the doubles rankings.
He made his debut in the top 200 on November 1, 2021, after winning his first and second Challengers in Cary in September and Las Vegas in October with Max Schnur. He followed that with a third Challenger win in Charlottesville in November also with Schnur.
In January, Blumberg won his fourth Challenger title in Cleveland with Schnur.
At the 2022 U.S. Men's Clay Court Championships, he reached the semifinals as a wildcard pair with Schnur where they lost to Ivan and Matej Sabanov.[15]
At the 2022 Wimbledon Championships he made his debut at this Major partnering Casper Ruud.[16] [17] They defeated Miguel Ángel Reyes-Varela and Nicolás Barrientos in the first round in a five set match with a super tiebreak, his first win at a Major. They lost in the second round to Lloyd Glasspool and Harri Heliövaara.[18]
At the 2022 Hall of Fame Open, he made his ATP main draw singles debut as a qualifier, losing in the first round to Benjamin Bonzi.[19] At the same tournament as the defending champion in doubles, he reached the final partnering Steve Johnson.[20] He would successfully defend his title with Johnson, defeating top seeds Raven Klaasen and Marcelo Melo in the final.[21]
He reached the top 100 at World No. 85 on August 8, 2022, following his third title at the 2022 Los Cabos Open partnering Miomir Kecmanović, again defeating Klaasen and Melo in the final.[22]
At the US Open he reached the mixed doubles semifinals with Caty McNally on his debut at this event for the first time at a Grand Slam defeating en route defending champions Desirae Krawczyk and Neal Skupski in the second round.
He finished the season ranked No. 100 in doubles on 21 November 2022.
He made his debut at the 2023 French Open partnering Miomir Kecmanović. At the 2023 Wimbledon Championships he partnered again with Casper Ruud and reached the second round before withdrawing.
Blumberg reached his fifth final partnering with Rinky Hijikata at the 2024 Dallas Open defeating the wildcard pair of Ben Shelton and Emilio Nava before falling to the pair of Max Purcell and Jordan Thompson. He partnered again with Casper Ruud at the 2024 Los Cabos Open where they reached the semifinals. Blumberg partnered with John Peers at the 2024 U.S. Men's Clay Court Championships in Houston where they defeated the wildcard pair of Shelton and Andrés Andrade en route to his sixth final. For the second consecutive Texas-based tournament, Blumberg and his partner lost the finals to the pair of Purcell and Thompson.
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| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Hall of Fame Open, United States | 250 Series | Grass |  Jack Sock | Austin Krajicek Vasek Pospisil | 6–2, 7–6(7–3) | ||
| Win | 2–0 | Hall of Fame Open, United States (2) | 250 Series | Grass | Steve Johnson | Raven Klaasen Marcelo Melo | 6–4, 7–5 | ||
| Win | 3–0 | Los Cabos Open, Mexico | 250 Series | Hard |  Miomir Kecmanović | Raven Klaasen Marcelo Melo | 6–0, 6–1 | ||
| Loss | 3–1 | Hall of Fame Open, United States | 250 Series | Grass |  Max Purcell | Nathaniel Lammons Jackson Withrow | 3–6, 7–5, [5–10] | ||
| Loss | 3–2 | Dallas Open, United States | 250 Series | Hard (i) | Rinky Hijikata | Max Purcell Jordan Thompson | 4–6, 6–2, [8–10] | ||
| Loss | 3–3 | U.S. Men's Clay Court Championships, United States | 250 Series | Clay | John Peers | Max Purcell Jordan Thompson | 5–7, 1–6 |
| Outcome | Year | width=100 | Championship | Surface | width=150 | Partner | width=200 | Opponent | width=100 | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| Runner-up | 2015 | French Open | Clay | Tommy Paul |  Álvaro López San Martín Jaume Munar | 4–6, 2–6 |
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| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | USA F2, Sunrise | Futures | Clay | Frances Tiafoe | Jason Jung Evan King | 7–6(7–4), 4–6, [6–10] | ||
| Win | 1–1 | Cary, USA | Challenger | Hard | Max Schnur | Stefan Kozlov Peter Polansky | 6–4, 1–6, [10–4] | ||
| Win | 2–1 | Las Vegas, USA | Challenger | Hard | Max Schnur | Jason Jung Evan King | 7–5, 6–7(5–7), [10–5] | ||
| Win | 3–1 | Charlottesville, USA | Challenger | Hard (i) | Max Schnur | Treat Huey Frederik Nielsen | 3–6, 6–1, [14–12] | ||
| Win | 4–1 | Cleveland, USA | Challenger | Hard (i) | Max Schnur | Robert Galloway Jackson Withrow | 6–3, 7–6(7–4) | ||
| Loss | 4–2 | Tallahassee, USA | Challenger | Clay |  Luis David Martínez |  Federico Agustín Gómez Nicolás Kicker | 6–7(2–7), 6–4, [11–13] | ||
| Win | 5–2 | Savannah, USA | Challenger | Clay | Luis David Martínez | Federico Agustín Gómez Nicolás Kicker | 6–1, 6–4 | ||
| Win | 6–2 | Modena, Italy | Challenger | Clay | Luis David Martínez |  Roman Jebavý Vladyslav Manafov | 6–4, 6–4 | ||
| Loss | 6–3 | Cary, USA | Challenger | Hard | Luis David Martínez | Andrew Harris Rinky Hijikata | 4–6, 6–3, [6–10] | ||
| Loss | 6–4 | Tiburon, USA | Challenger | Hard | Luis David Martínez |  Luke Johnson Skander Mansouri | 2–6, 3–6 | ||
| Loss | 6–5 | Cleveland, USA | Challenger | Hard (i) | Alex Lawson | George Goldhoff James Trotter | 7–6(7–0), 3–6, [8–10] | ||
| Loss | 6–6 | Tallahassee, USA | Challenger | Clay | Luis David Martínez |  Simon FreundJohannes Ingildsen | 5–7, 6–7(4–7) |