Filipe Barros secured the top position in Paraná's Senate election through strong statewide support from conservative voters aligned with the PL party and former President Bolsonaro. As a sitting federal deputy with prior local experience in Londrina, he benefited from an effective campaign emphasizing judicial reforms and state priorities, outperforming rivals in 205 municipalities and finishing with roughly 27% of valid votes. Pre-election polling showed a tight four-way contest among Barros, Deltan Dallagnol, Alexandre Curi, and Gleisi Hoffmann, yet final tallies confirmed his lead over second-place Dallagnol. Legal challenges to other candidacies and the absence of major late disruptions reinforced trader consensus on his frontrunner status, with few remaining pathways for reversal given completed vote counts and official certification by electoral authorities.