Djokovic does some solid defensive work to make Khachanov hit one more shot, the Russian fails to finish the point with an overhead smash but gets another opportunity and this time, converts it with a forehand down the line winner – 15-30. Double fault from the Serbian. Two break points for Khachanov. A 19-shot rally, probably the longest of the match so far, and it is Djokovic who wins the point with a forehand that just catches the corner – 30-40. Another long rally, 25 shots, and the same result – Djokovic wins the point as Khachanov hits a crosscourt backhand long – deuce. A crosscourt backhand volley with his back to the net – Djokovic leads Ad-40. Khachanov forces deuce again with a backhand winner down the line. Error on the drop shot from the Serbian – a third break point opportunity for Khachanov. The Russian did everything he needed to in order to break but ended up hitting the simplest of the crosscourt forehand volleys wide – deuce again. Wide serve into the deuce court from Djokovic, Khachanov hits the forehand return right at his feet and the Serbian hits the forehand long – fourth break point chance for Khachanov. Djokovic saves the break point yet again only to give another chance with a backhand error. Finally, Khachanov breaks with an inside-out forehand which catches the inner sideline.