The top seed GM Fabiano Caruana beat GM John M.Burke in the third round of the 2021 U.S. Chess Championship and joined the tournament leaders. GM Sam Sevian, who outplayed GM Jeffery Xiong, also joined the top group with 2/3. In the U.S. Women's Championship, two games were decisive but WGM Katerina.
GM Wesley So joined the leaders in the 2021 U.S. Chess Championship after beating GM Dariusz Swiercz with an impressive positional style in round two. GM Daniel Naroditsky bounced back from his first-round loss with a victory over GM Jeffery Xiong, while the other games were drawn. In the U.S. Women's.