Czech rider Pavel Bittner beat Wout van Aert in a photo finish at the end of stage five of the Vuelta a Espana on Wednesday.
Van Aert looked set to claim his second stage of this year's race in a fast finish in Seville but the 21-year-old Bittner (DSM-Firmenich-PostNL) edged out the Belgian on the line.
It was Bittner's first career win at a Grand Tour.
Van Aert (Visma-Lease a Bike) retained the points green jersey although he will rue a missed opportunity. Australia's Kaden Groves finished in third place.
Primoz Roglic retained the overall lead after finishing safely in the peloton.
Cork's Eddie Dunbar (Team Jayco Alula) crossed the line in 94th, and remains 38th overall.
Grand Tour debutant Daniel Rafferty (EF Education - Easypost) was 133rd today; the Co Tyrone man is 105th in the general classification.
