The 32-year-old, who rides for the Soudal Quick-Step cycling team, on Thursday finished 13 seconds ahead of Portugal's João Almeida and 14 seconds clear of Britain's third-placed Geraint Thomas in the race's 16.6 km time trial in the southern Polish city of Katowice.
The fastest Pole, Michał Kwiatkowski, who won the 2018 Tour de Pologne, finished eighth in Katowice on Thursday, 21 seconds behind the winner.
Meanwhile, Slovenia's Matej Mohorič, who came in 11th, retained the race leader’s yellow jersey, narrowly ahead of Almeida.
Heading into the final stage of the 2023 Tour de Pologne, Kwiatkowski, a former world champion, is third in the overall standings, 14 seconds behind Mohorič and Almeida.
Michał Kwiatkowski. Photo: PAP/Zbigniew Meissner
The last leg of the 80th Tour de Pologne will see cyclists cover a 166.6 km route starting in the industrial city of Zabrze, in Poland's southern Silesia region, and ending in the historic city of Kraków on Friday.
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Source: TVP, PAP, tourdepologne.pl