In a lopsided final, the Greek sensation defeated the British player in straight sets in the final on Sunday.
On the back of the straight-set victories, Tsitsipas will play Lorenzo Musetti for a place in the final.
The Greek player won the match in straight sets to reach the quarterfinals, where he will play Yoshihito Nishioka.
The Serbian breezed past the Spaniard to reach his 15th quarterfinal at the Internazionali BNL d'Italia.
Djokovic, who has only played four tournaments this year, suffered a surprise defeat to Aslan Karatsev in semifinals of the Serbia Open last week
Rafael Nadal defeated Stefanos Tsitsipas 6-4, 6-7(6), 7-5 on Sunday to win the Barcelona Open for a record-extending 12th time.
Rafael Nadal becomes the first player in the Open Era to have won 450 matches on two different surfaces.
Rafael Nadal beat compatriot Pablo Carreno Busta in the second semi-final of the Barcelona Open on Saturday to book a summit clash against Stefanos Tsitsipas.
Greek tennis star Stefanos Tsitsipas booked his place in the finals of the Barcelona Open with a convincing win over Jannik Sinner in the semi-finals.
Stefanos Tsitsipas was in the form of his life last week as he did not drop a set en route to winning the Monte Carlo Masters