Golf Babe September 11, 2021 Novak Djokovic vs Alexander Zverev Highlights | 2021 US Open SemifinalNovak Djokovic takes on Alexander Zverev in the semifinals of the 2021 US Open. Don’t miss a moment of the US Open! Subscribe now: https://bit.ly/2Pdr81i The 2021 US Open main draw runs from August 30 – September 12 in New…