The civil lawsuit, reportedly filed by Zverev’s former partner, revolves around Zverev’s claim in the past that his “innocence has been proven”. 1 Alexander Zverev is facing another fresh civil lawsuit from a former partner, and here is all you need to know. Alexander Zverev begins his ATP Finals campaign in Turin on Sunday as the World No. 1, but the buildup has been overtaken by a new legal front.