Part of the US Open tennis series, Washington’s annual Citi Open is a chance to see world-class hard-court tennis from players such as Olympic silver medalist Mardy Fish, currently ranked number 12 in the world, and James Blake. Events throughout the week include a National Parks Recreation Family Day on July 28, a wine tasting night (presented by Lexus) on August 2, and a chef challenge on July 30. A portion of the proceeds benefit the Washington Tennis & Education Foundation. Ticket prices vary by day. William H.G. FitzGerald Tennis Center, 16th and Kennedy Streets NW, 202-721-9500