Djokovic - Zverev 2-0
Federer - Zverev 2-1Djokovic- Anderson 2 -1
Zverev - Isner 2:1Djokovic - Cilic 2:1
Djokovic - Zverev 2-0
Federer - Zverev 2-1
Djokovic- Anderson 2 -1
Zverev - Isner 2:1
Djokovic - Cilic 2:1