Mateo Castaneda defeated Juan Sebastian Osorio 4-6 7-6 7-6 in the M15 Bucaramanga 1 round of 16 on clay. The upset overturned the form book — Juan Sebastian Osorio came in ranked #731, leading the head-to-head 1–0. Mateo Castaneda claimed a first win over Juan Sebastian Osorio in two meetings, narrowing the head-to-head to 1–1.
Castaneda M. came through in three sets.
Clay: Castaneda M. leads 1–0 · Hard: Osorio J. leads 1–0