Rise to Success: Career Highlights of Alex Michelsen

Discover the career path of Alex Michelsen, from the first major opportunity to industry-changing achievements.

Alex Michelsen is an American professional tennis player. He reached a career-high ATP singles ranking of world No. 30 on July 14, 2025. Additionally, he achieved a doubles ranking of No. 67 on June 30, 2025. He is an active player competing on the professional circuit.

Sections (3)

Full Timeline Career & Achievements Success & Recognition

August 2022: Grand Slam Doubles Debut at US Open

In August 2022, Michelsen made his Grand Slam doubles debut at the US Open playing alongside Sebastian Gorzny, but they lost in the first round.

November 2022: First ITF Title in East Lansing

In November 2022, Michelsen won his first title on the ITF Tour in East Lansing.

2022: Won singles and doubles title at Easter Bowl & Wimbledon Boys' doubles title

In 2022, Michelsen won the singles and doubles title at the Easter Bowl, becoming the first American champion in both disciplines since 2006. He also won the 2022 Wimbledon Boys' doubles title with Sebastian Gorzny. Subsequently, he decided to turn professional, foregoing his commitment to play college tennis at the University of Georgia.

September 2023: Career High Ranking

As a result of his performance at the US Open in September 2023, Alex Michelsen reached a new career high of No. 117.

2023: 2023 Season Highlights

In 2023, Alex Michelsen reached the semifinals at the Cary Challenger II, losing to Zachary Svajda. He also won his second Challenger in Knoxville and made his top 100 debut. Additionally, in November 2023, he qualified for the Next Generation ATP Finals.

2023: First Challenger final & BNP Paribas Open

In February 2023, Michelsen reached his first Challenger final in Rome, USA, where he lost to Jordan Thompson. In March 2023, Michelsen received a qualifying wildcard for the 2023 BNP Paribas Open in Indian Wells.

May 2024: ATP Clay Court Win and Top 60 Ranking

In May 2024, Alex Michelsen recorded his first ATP clay court win at the BMW Open in Munich, defeating Max Hans Rehberg. He reached the top 65 on May 20, 2024. A week later he entered the top 60 after reaching his first ATP clay court quarterfinal with a win over Taylor Fritz at the Geneva Open, his second top 15 win.

August 2024: Cincinnati Open and Winston-Salem Open

In August 2024, Alex Michelsen reached the second round at the Cincinnati Open and improved his career-high to world No. 52. He also reached his first ATP and Masters 1000 doubles final. At the Winston-Salem Open, he reached the semifinals and the top 50.

2024: Grass Court Season and Top 55 Ranking

In 2024, Alex Michelsen achieved his first grass court win of the season over Nuno Borges in Mallorca, becoming the youngest player to win a match at the tournament and reaching the top 55 in the singles rankings. Michelsen reached a consecutive final at the 2024 Hall of Fame Open, defeating Reilly Opelka in the semifinals before losing to Marcos Giron.

2024: 2024 Tournaments

In 2024, Alex Michelsen participated in several tournaments. At the Dallas Open, he defeated Tennys Sandgren but lost to Frances Tiafoe. At the Delray Beach Open, he defeated Thanasi Kokkinakis but lost to Tommy Paul. At the Los Cabos Open, he defeated Constant Lestienne and Alex de Minaur, but lost to Jordan Thompson in the quarterfinals.

2024: 2024 Australian Open

In 2024, Alex Michelsen reached the third round at the Australian Open, defeating James McCabe and Jiří Lehečka. This achievement led to him reaching the top 75 in the singles rankings.

2024: First Masters Win

In 2024, Alex Michelsen recorded his first Masters win over Jaume Munar at the BNP Paribas Open. He became the youngest American player to win a match at this level since 2017. He also recorded his first win over Lukáš Klein at the Miami Open.

June 2025: ATP Doubles Ranking of No. 67

In June 2025, Alex Michelsen achieved a doubles ranking of No. 67.

July 2025: Top 30 Ranking and Masters 1000 Fourth Round

Alex Michelsen reached the top 30 on 14 July 2025, following Wimbledon. Ranked No. 34 at the 2025 National Bank Open, he reached a Masters 1000 fourth round for the first time in his career upsetting Lorenzo Musetti. Next he defeated Learner Tien to reach his first Masters 1000 quarterfinal.

July 2025: ATP Singles Ranking of World No. 30

In July 2025, Alex Michelsen achieved a career-high ATP singles ranking of world No. 30.

2025: 2025 Australian Open

At the 2025 Australian Open, Alex Michelsen defeated Stefanos Tsitsipas, James McCabe and Karen Khachanov to reach a Grand Slam fourth round for the first time in his career.