WTA Highlights Day 4 of the 2017 Citi Open 🇷🇴 Simona Halep def. 🇨🇴 Mariana Duque Mariño 3-6 6-4 6-2 #Halepeño v. 🇷🇺Ekaterina Makarova now LIVE on TCPlus! #CitiOpen