Who is Alex Michelsen?
Alex Michelsen is an American professional tennis player from California. He was born on August 25, 2004, and began playing tennis when he was very young.
The ATP lists Michelsen as a right-handed player with a two-handed backhand. He turned professional in 2023 after an impressive junior and Challenger-level rise.
His breakthrough came quickly. Michelsen won a Challenger title in Chicago in 2023 and subsequently reached the ATP final in Newport, establishing himself as one of America’s promising young players.
By 2025, he had reached a career-high singles ranking of No. 30.
Alex Michelsen height
Alex Michelsen is 6 feet 4 inches (1.93 meters) tall.
His height is an important part of his playing style. At 6-foot-4, Michelsen can generate significant power on serve while still moving exceptionally well around the court.
The ATP has listed him at 1.93m and 79kg (175 pounds).
His size, movement and powerful groundstrokes make him particularly difficult to deal with on hard courts.
How old is Alex Michelsen?
Alex Michelsen was born on August 25, 2004.
That makes him 22 years old as of September 7, 2026. His age is notable because he has already established himself on the ATP Tour and recently made his first Grand Slam quarterfinal.
Tournament profiles also list his birth date as August 25, 2004, and his age as 22.
Who are Alex Michelsen’s parents?
Tennis is very much a family affair for Michelsen.
His father is Erik Michelsen, while his mother is Sondra Michelsen. Both played college tennis.
Erik played at the University of Redlands, where he became a three-time All-American. He later worked as a lawyer.
Sondra played college tennis at San Diego State University and was recognized with the Arthur Ashe Award for Leadership and Sportsmanship in 1989.
The couple introduced Alex to tennis when he was only three years old. His mother played an especially important role in his early development, hitting with him regularly during his childhood.
Michelsen has also spoken about his older brother, Jake, who is three years older than him.
Did Alex Michelsen’s parents play tennis?
Yes. Both of his parents played college tennis.
That background gave Michelsen an unusual tennis environment while growing up. Rather than discovering the sport later in childhood, he was introduced to it almost from the beginning.
The USTA notes that his parents helped introduce him to tennis at age three, while the ATP says his earliest memories include hitting backhands in the family garage.
Who is Alex Michelsen’s coach?
Kristof Vliegen is listed as Alex Michelsen’s coach on current tournament profiles.
The Roland-Garros player profile lists Vliegen as Michelsen’s coach, as does the Dallas Open’s current player information.
Michelsen has worked with several coaches during his professional development. Earlier in his career, Eric Diaz and Jay Leavitt played important coaching roles in his rise through the junior and professional ranks. Tennis.com reported that Diaz and Leavitt had worked with Michelsen for several years during his early development.
His coaching team has therefore evolved as his career has moved from junior tennis to the ATP Tour.
Alex Michelsen and college: Did he go to college?
No, Alex Michelsen did not attend college as a tennis player.
This is one of the most interesting parts of his career.
Michelsen had committed to the University of Georgia and was preparing to play college tennis. However, his results in 2023 changed his plans.
After winning the Chicago Challenger and reaching the ATP final in Newport, Michelsen decided that he wanted to pursue professional tennis instead. Tennis.com reported that he spoke with his parents and coaches after Newport and ultimately chose the professional route.
The decision proved significant. Rather than spending his early 20s in college tennis, Michelsen entered the professional tour and rapidly climbed the rankings.
In a 2025 ATP feature, Michelsen reflected on the alternative path he could have taken at Georgia. He said college tennis looked fun, but he was happy with the decision to play professionally.
Did Alex Michelsen attend the University of Georgia?
No. He committed to Georgia but did not ultimately attend the university.
His commitment came before his rapid rise on the professional circuit. As his results improved, the opportunity to begin his ATP career became too attractive to pass up.
Alex Michelsen on Flashscore
Fans looking for Alex Michelsen’s Flashscore page can use the service to follow his live scores, results, fixtures and match history.
Flashscore lists Michelsen as an American player and provides match-by-match information, including results and upcoming fixtures.
The Flashscore profile is particularly useful during Grand Slam tournaments because tennis schedules can change quickly and live scoring updates are frequent.
Alex Michelsen’s playing style
Michelsen combines several characteristics that make him an intriguing modern tennis player.
His 6-foot-4 frame gives him a strong serve, while his movement allows him to defend effectively despite his size. ATP Tour analysis has highlighted his ability to move exceptionally well for a player of his height, along with his elite backhand.
He plays right-handed and uses a two-handed backhand. His backhand has been one of the defining weapons of his game since his junior days.
Michelsen also possesses the physical tools to play aggressive tennis. His serve and groundstrokes can put opponents under pressure, while his court coverage allows him to extend rallies.
Alex Michelsen’s rise on the ATP Tour
Michelsen’s journey to the top level was remarkably fast.
He began climbing the rankings through the ITF and Challenger circuits before making a major breakthrough in 2023. At the Chicago Challenger, he defeated Kei Nishikori on his way to the title. He then continued that momentum at Newport, where he reached his first ATP final.
His development continued over the following seasons.
He reached the Top 50 and recorded major victories against established players. His career-high singles ranking reached No. 30 on July 14, 2025.
His progress has helped make him part of a promising generation of American men’s tennis players alongside names such as Ben Shelton, Learner Tien, Brandon Nakashima and others.
Alex Michelsen at the 2026 US Open
The 2026 US Open has become a major milestone in Michelsen’s career.
He reached his first Grand Slam quarterfinal after defeating Tomas Martin Etcheverry in straight sets. He won 7-6, 6-4, 6-4 and had not dropped a set during his run to the quarterfinals.
The result made Michelsen the first American man to reach the quarterfinal stage at the tournament this year.
His next opponent is Frances Tiafoe, creating an all-American matchup with a place in the US Open semifinal at stake.
The run represents another major step for a player who only turned professional in 2023.
Why Alex Michelsen is attracting attention
There are several reasons Michelsen has become a name to watch in American tennis.
First, he has the physical tools of a modern top-level player. His 6-foot-4 height provides a natural serving advantage, while his movement is better than many players of similar size.
Second, he has developed quickly. Rather than taking several years to establish himself, he progressed rapidly from junior and Challenger tennis into the ATP Tour.
Third, he comes from a genuine tennis family. His parents’ experience gave him an early understanding of the sport and helped establish his foundation.
Finally, his decision to skip college and turn professional has already paid dividends. The 2026 US Open run is the latest evidence that Michelsen’s decision to pursue the ATP Tour was successful.
Alex Michelsen quick facts
- Full name: Alex Michelsen
- Born: August 25, 2004
- Age: 22
- Birthplace: Laguna Hills, California
- Height: 6 feet 4 inches (1.93m)
- Weight: 175 pounds (79kg)
- Nationality: American
- Plays: Right-handed
- Backhand: Two-handed
- Turned pro: 2023
- Parents: Erik and Sondra Michelsen
- Current coach: Kristof Vliegen
- College: Committed to Georgia but did not attend
- Career-high ATP ranking: No. 30
- 2026 US Open: First Grand Slam quarterfinal
FAQs about Alex Michelsen
How tall is Alex Michelsen?
Alex Michelsen is 6 feet 4 inches (1.93m) tall.
How old is Alex Michelsen?
He is 22 years old. He was born on August 25, 2004.
Who are Alex Michelsen’s parents?
His parents are Erik Michelsen and Sondra Michelsen. Both played college tennis.
Who coaches Alex Michelsen?
Kristof Vliegen is currently listed as Michelsen’s coach by major tournament profiles.
Did Alex Michelsen go to college?
No. Michelsen committed to the University of Georgia, but he chose professional tennis instead of attending college after his rapid rise in 2023.
Where can I find Alex Michelsen’s Flashscore results?
Flashscore provides Michelsen’s live scores, results, fixtures and match history.
What is Alex Michelsen’s career-high ranking?
His career-high ATP singles ranking is No. 30, achieved on July 14, 2025.
Final thoughts
Alex Michelsen has followed a different route from many American tennis prospects. Although he committed to the University of Georgia, his rapid improvement convinced him to skip college and pursue professional tennis.
His 6-foot-4 height, powerful serve, strong backhand and impressive movement have helped him become a serious ATP Tour competitor. With his parents providing an early tennis foundation and professional coaches guiding his development, Michelsen has continued to improve.
His breakthrough at the 2026 US Open, where he reached his first Grand Slam quarterfinal, is arguably the biggest milestone yet in his young career.
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