The Austrian sixth seed beat the defending champion in straight sets 7-6 (5), 6-3, 6-0 in two hours and 15 minutes.
Novak continued his good run on Parisian clay as he defeated Albert Ramos-Vinolas 7-6 (5), 6-1, 6-3 to reach the last 8.
The second seed moved into the French Open R4 for the 11th time with a five-set win over Diego Schwartzman.
The Novak Djokovic Fan Club RS revolves around one of Novak’s most prominent personal traits...
Novak won his first French Open title in 2016 and completed career Grand Slam beating Andy Murray in the final (3-6, 6-1, 6-2, 6-4).