Juan Manuel Cerundolo defeated Ignacio Buse 6–3, 6–3 in the semi-final of the ATP 250 event at Gstaad on clay on 19 July 2025, confirming his status as pre-match favourite. Cerundolo's dominant display saw him advance to the final without conceding a break of serve in either set, maintaining control throughout the encounter. The Argentine's clinical performance underlined his current form on the surface and secured his place in Sunday's championship match.