The match lasted 2 hours 55 minutes and ended with a score of 6:3, 7:6, 7:6.
Djokovic completed seven innings right through, made three double faults and converted two of five break points.
On account of Tsitsipas 15 aces, three errors on the pitch and one realized break point out of three.
Thus, the 35-year-old Serb became the 10-time champion of the tournament.
Earlier, the Belarusian tennis player Arina Sobolenko defeated a native of Moscow, Elena Rybakina, representing Kazakhstan, and became the winner of the Australian Open.