WATCH: French Open Day 9 Highlights: Djokovic, Tsitsipas through to last eight

Novak Djokovic battled past Russia's Karen Khachanov 6-4, 6-3, 6-3; Stefanos Tsitsipas brushed aside Grigor Dimitrov 6-3, 7-6(9), 6-2 to enter the quarterfinals.