Roko Horvat defeated Lautaro Agustin Falabella 6-3 6-2 in the M15 Celje 1 quarter-final on clay. The upset overturned the form book — Lautaro Agustin Falabella came in leading the head-to-head 1–0. Roko Horvat claimed a first win over Lautaro Agustin Falabella in two meetings, narrowing the head-to-head to 1–1.
Horvat R. took it in straight sets.