Thea Frodin, teen who doubled for Serena Williams in 'King Richard' makes US Open debut

Thea Frodin, a teenage tennis player who previously served as a body double for young Serena Williams in the biographical film 'King Richard,' made her US Open main-draw debut on Tuesday, September 1, 2026. She faced Elena Rybakina in her first appearance at the tournament. Frodin's unique connection to tennis history through the film adds an notable backstory to her professional Grand Slam debut.