Prizmić wins opener in Umag; van Assche stages stunning comeback against Lajović

Croatian Dino Prizmić defeated seeded Vit Kopřiva in the first round of the ATP 250 clay-court tournament in Umag. Frenchman Luca van Assche produced a stunning comeback to beat Dušan Lajović in another first-round match. Both results highlight the competitive depth at this year's Umag event.