Alexander Bublik defeated Francisco Comesana 6–4, 6–3 in the quarter-finals of the ATP 250 event at Gstaad on clay. As the pre-match favourite, Bublik delivered a controlled performance to advance, converting his odds of 1.67 into a straightforward victory over Comesana, who entered at 2.36. The Kazakh player's superior seeding and ranking advantage proved decisive on the Swiss clay surface, where he secured both sets with relative comfort. Bublik's progression to the semi-finals maintains his momentum in the tournament and positions him among the competition's strongest remaining contenders.