Its not one expected but it it did happen. 

Zverev pushed Novak every time to his limits in that 1 hour 1st set.

Comeback strong Novak

Zverev played his best tennis in this #AO2025 he deserve to be in his 1st AustralianOpen Final.#AO2025 #AustralianOpen
#AO2025 #AO2025 #AustralianOpen