Overview

• The event runs September 16–21 at Shenzhen Bay Sports Center Arena, with Shenzhen secured as host through 2027.
• Quarterfinals are set: Italy vs China (Sep 16), Spain vs Ukraine (Sep 17), Kazakhstan vs USA (Sep 18 morning), and Great Britain vs Japan (Sep 18 evening), followed by semifinals on Sep 19–20 and the final on Sep 21.
• The format is a straight eight-team knockout with two singles rubbers followed by doubles, all best-of-three tie-break sets, and the doubles typically played in quarters and semis even at 2–0.
• Defending champions Italy name Jasmine Paolini, Lucia Bronzetti, Elisabetta Cocciaretto and Sara Errani; the USA are led by top-ranked Jessica Pegula with Emma Navarro and Taylor Townsend, while Madison Keys is replaced by debutant McCartney Kessler.
• Notable roster notes include China without Zheng Qinwen as Wang Xinyu leads, Spain welcoming back Paula Badosa, Kazakhstan fronted by Elena Rybakina, Great Britain missing Emma Raducanu, and Japan without Naomi Osaka as Nao Hibino steps in.