Djokovic and Fucsovics have faced each other thrice, with the former winning all three matches. The Serbian first beat Fucsovics at the 2018 US Open (6-3, 3-6, 6-4, 6-0).
https://www.newsbytesapp.com/news/sports/paris-masters-marton-fucsovics-vs-novak-djokovic/story

