Ryan Seggerman

Ryan Seggerman (born August 6, 1999) is an American tennis player. He has a career-high ATP doubles ranking of world No. 63 achieved on September 22, 2025, and a singles ranking of No. 348 achieved on August 26, 2024.

College career Seggerman played college tennis at Princeton before transferring to North Carolina.

Professional career 2023: Eight straight ITF doubles titles Seggerman won his first ITF singles title in 2023 at the M25 Monastir tournament, defeating Ilia Simakin in the final. With fellow American Patrik Trhac, the duo won eight consecutive ITF doubles titles between July and October 2023.

The pair won their first ATP Challenger doubles title at the 2023 City of Playford Tennis International, and then won the 2023 NSW Open title the following week.

2024: ATP Tour and Grand Slam debuts

Singles Seggerman reached the semifinals as a qualifier at both the 2024 Macedonian Open and at the 2024 Cranbrook Tennis Classic.

Seggerman reached the main draw as a qualifier at the 2024 Lexington Challenger, rising into the top 400 for the first time on 5 August 2024. Seggerman and Trhac received a wildcard for the Masters 1000 2024 BNP Paribas Open, making their ATP debut. The pair defeated sixth-seeded Máximo González and Andrés Molteni in the first round. In the round of 16, they lost to eventual champions Wesley Koolhof and Nikola Mektić.

After 13 straight victories in ITF circuit and ATP Challenger Tour finals, the pair lost their first final at the 2024 Upper Austria Open. With Trhac, the pair received entry into the 2024 Libéma Open, their second tour-level event. As a result, Seggerman reached the top 100 in doubles on 24 June 2024.

With Trhac, the duo won the 2024 Cranbrook Tennis Classic, their seventh Challenger level title. As a result, Seggerman rose to a new career high doubles ranking of No. 89 on 15 July 2024.

Seggerman and Szymon Walków reached the final at the 2024 Szczecin Open. This gave Seggerman a new career high doubles ranking of world No. 87 on 16 September 2024.

Following the Australian Open, Seggerman partnered with John-Patrick Smith and they lost in the qualifying final in Dallas, the first round in Delray Beach, and the first qualifying round in Rio de Janeiro. They picked up their first two wins together at the 2025 Chile Open, reaching the semifinals before losing to top-seeded Máximo González and Andrés Molteni. As a result, Seggerman reached a career-high doubles ranking of No. 71 on 3 March 2025.

At the 2025 Serve First Open, Trhac and Seggerman won their 10th Challenger doubles title together, defeating Sriram Balaji and Rithvik Choudary Bollipalli in the final.

ATP Tour finals

Doubles: 2 (1 title, 1 runner-up)

ATP Challenger and ITF Tour finals

Singles: 1 (1 title) LegendITF WTT (1–0)

Doubles: 37 (26 titles, 11 runner-ups) LegendATP Challenger Tour (18–10)ITF Futures/WTT (8–1)Finals by surfaceHard (18–4)Clay (8–7)