Zverev Upsets Isner In Australian Open 2017 R2 Jan 18, 2017 Watch highlights as Mischa Zverev comes from a two-set deficit to upset No. 19 seed John Isner at the Australian Open on Wednesday. Photo: Getty Images. Video Courtesy Tennis Australia. Tags: 2017 Australian Open Highlights Mischa Zverev Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus