Thiago Agustin Tirante def. Francisco Cerundolo — Round of 16, Rio Open 2026

🇦🇷ATP No. 92ranked ATP number 92 going into this drawWon

T. Tirante 6 3

🇦🇷ATP No. 19ranked ATP number 19 going into this drawRetired

Francisco Cerundolo seeded 1(1) 2 1