18-year-old Joao Fonseca of Brazil celebrates after winning his first-ever ATP title with a 6-4, 7-6 win over Francisco Cerundolo of Argentina during the final of the IEB+ Argentina Open 2025 at Buenos Aires Lawn Tennis Club. 📸: @marceloendelli #ArgOpen2025 #ATP #JoaoFonseca t.co/izfFYg8rit