Watch highlights as Grigor Dimitrov allows Pablo Carreno Busta just two games in an impressive victory. David Goffin also earned a spot in the semi-finals with a win against Dominic Thiem. Photo Credit: Thomas Lovelock/ATP World Tour. Watch live tennis at Tennis TV.com.

Highlights Dimitrov Maintains Devastating Form At The O2 Nitto ATP Finals 2017 Round Robin