Watch highlights of day three action at the Next Gen ATP Finals as Andrey Rublev, Daniil Medvedev and Borna Coric join Hyeon Chung in the semi-finals. Photo Credit: Getty Images. Watch the Next Gen ATP Finals LIVE on Amazon Prime Video: www.primevideo.com/ATP.

Highlights Rublev, Medvedev, Coric, Chung Into Milan SF 2017