Cilic, Del Potro, Raonic sail into the fourth round | Miami 2018 Highlights Day 5

Seeds Marin Cilic, Juan Martin del Potro and Milos Raonic all safely saied through to the R16 in Miami on Day 5. Watch official ATP tennis streams here: http://tnn.is/YouTube Tennis TV is the OFFICIAL live streaming service of the ATP World Tour. Subscribe to our YouTube channel here: https://www.youtube.com/tennistv?sub_confirmation=1 Live streaming on PC, Mac, Apple TV, Roku, Amazon Fire TV, Xbox One and Chromecast plus mobile & tablet apps on iOS & Android.