— The player fields are set for the Nation’s Capital Tennis Tradition – the 2017 Citi Open® Tennis Tournament – and fans are in for an action-packed week of tennis Rock Creek Park Tennis Center. Don’t miss the opportunity to save by purchasing your Citi Open® tickets using the code “Tennis2017” to secure the 20% discount. This discount is available for all sessions from August 3 – August 6, 2017. (You do not have to be an AARP member to access …