Jacob Fearnley defeated Tallon Griekspoor 6–3, 6–7, 7–6 in the first round of the ATP 250 Stockholm event on hard court, producing an upset against the pre-match favourite. Griekspoor entered with superior odds at 1.51 to Fearnley's 2.74, yet the British player proved the more resilient competitor across three sets. After claiming the opening set convincingly, Fearnley was drawn into a tight second set that required a tie-break, which he ultimately lost. The decider followed a similar pattern, with both players locked in a final-set tie-break that Fearnley edged to secure victory. The result marks a significant scalp for Fearnley and suggests improved form heading into the tournament's later rounds.