Mariano Hood defeated Sebastian Allende 6-4 7-5 in the Argentina 1 Masters 1 round of 32 on clay. The upset overturned the form book — Sebastian Allende came in leading the head-to-head 2–0, but Mariano Hood had been the form player, winning 4 of their last 10 on clay. Mariano Hood claimed a first win over Sebastian Allende in three meetings, narrowing the head-to-head to 2–1.
Hood M. took it in straight sets.