The SDAT Tennis Stadium, officially known as the Nungambakkam Tennis Stadium, is a prominent hard-court tennis venue located in the Lake Area of Nungambakkam, Chennai, Tamil Nadu, India. Opened in 1995 for the South Asian Federation Games, it features one center court and six outer courts with a seating capacity of 5,800. The stadium has a rich history of hosting major international events, including the ATP and WTA Chennai Open tournaments, and currently serves as a central hub for tennis development and coaching under the Sports Development Authority of Tamil Nadu (SDAT) and the Tamil Nadu Tennis Association.