Seven-time Grand Slam champion Carlos Alcaraz beats Karen Khachanov to reach the last 16 in Vienna, while Alexander Zverev survives four match points to advance. #tennisnewsupdate #ATPTour #CarlosAlcaraz #tennisnewsandupdates #AlexanderZverev #atp #ViennaOpen2026 https://www.mondiaries.com/2026/10/vienna-open-alcaraz-downs-khachanov.html