Athletic DNA (ADNA) is an American sports apparel company. Founded in Seattle in 2007, ADNA began by training young tennis athletes, which evolved into sponsoring Select Junior Tennis players, and then expanded to manufacturing clothing for youth and adult tennis players. ADNA has since spread to professional tennis, and currently sponsors players on the ATP Tour[1] & WTA Tour.
The Citi Open is a joint professional tennis tournament played on outdoor hard courts, and held annually in late July at the William H.G. FitzGerald Tennis Center in Rock Creek Park, Washington, D.C., United States. The Citi Open is part of the ATP World Tour 500 series on the Association of Tennis Professionals World Tour, and of the WTA International tournaments on the Women's Tennis Association Tour.