Witness Carlos Alcaraz's remarkable Vienna Open victory as he triumphs over Khachanov in a thrilling first-round match. Carlos Alcaraz made a winning return to the Vienna Open, overcoming Karen Khachanov 6-4, 7-6(5) in a high-quality first-round encounter that tested the Spaniard's composure and resilience. The match lived up to expectations as two of the ATP Tour's most powerful ball-strikers engaged in a fiercely contested battle.