Djokovic: "I had never seen Karatsev play before the tournament
He is very strong, moving well, lot of fire power. He has nothing to lose."
Open d'Australie 
4e, 4830 points
Djokovic N • 1
Karatsev A • Q
6
6
6
3
4
2
378e, 131 points
Djokovic N • 1
Zverev A • 6
6
6
6
7
7
2
4
6
