The German won the first set, the Greek equalied and in the the third set the German prevailed in the tie break.
Zverev will meet in the final Russian Andrey Rublev.

Alexander Zverev-Στέφανος Τσιτσιπάς Source: Twitter- ATP Tour
The German won the first set, the Greek equalied and in the the third set the German prevailed in the tie break.
Zverev will meet in the final Russian Andrey Rublev.