Thea Frodin

Thea Frodin is an American tennis player. She has a WTA singles ranking of No. 1,022 achieved on 22 December 2025 and a doubles ranking of No. 866 reached on 17 November 2025.

Early life

Frodin was born and raised in Southern California region, United States. She started taking tennis lessons in her early childhood.

Junior career

In December 2023, Frodin was a runner-up at the prestigious Orange Bowl, in girls' 16s category. She made her debut at a major jr. at the 2024 French Open.
Frodin reached the second round of the girls' singles at the 2025 Australian Open before losing to Emerson Jones. At the 2025 Wimbledon Championships she lost in the first round to Mimi Xu. In the girls' doubles she reached the final alongside compatriot Julieta Pareja where they lost to Kristina Penickova and Vendula Valdmannova. The following month, she paired with Kristina Penickova to win the Girls' Doubles title at the USTA U18s National Championships in San Diego to earn a wildcard spot in the main draw at the 2025 US Open. They were drawn against compatriots Reese Brantmeier and Alanis Hamilton in the first round.
In January 2026, Frodin had her best performance in girls' singles at a major, reaching the semifinals at the 2026 Australian Open, where she lost to Ekaterina Tupitsyna.

Personal life

Her father, Mathias, is Swedish. Her mother was born in France and grew up in Gabon. She also has dual citizenship with Sweden.
She portrayed some tennis scenes of a young Serena Williams in the 2021 sports biographical film King Richard, starring Will Smith.

ITF Circuit finals

Doubles: 1 (runner–up)

Result

W–L

Date

Tournament

Tier

Surface

Partner

Opponents

Score

Loss

0–1

Nov 2025

ITF Orlando, US

W15

Clay