Defending champion Carlos Alcaraz on Wednesday beat Hungarian Fabian Marozsan to earn his 17th win in 18 matches on clay this season on day four of the French Open as twice former runner-up Casper Ruud crashed out to Nuno Borges. In the women's draw, Iga Swiatek outclassed Emma Raducanu to rack up her 23rd consecutive win at Roland Garros.