Brazil goes to the polls Sunday in what amounts to a 2022 rematch fought by proxy. President Luiz Inácio Lula da Silva, 80, seeks a fourth non-consecutive term. Senator Flávio Bolsonaro, 45, carries the banner of his father Jair, who is currently serving a 27-year sentence for attempting to overturn his 2022 election loss. The generational contrast is sharp; the ideological fault line is identical. The numbers tell the story of a country split almost exactly in half. The Quaest poll cited by Reuters shows Lula at 46% and Bolsonaro at 45% in the first round — virtually within the margin of error. Neither candidate is expected to clear the 50% threshold required to avoid a runoff on October 25. In the projected second round, Bolsonaro actually leads 44% to 42%, a reversal from the elder Bolsonaro's 1.8-point loss to Lula in 2022. Lula's campaign closes on the familiar terrain of his Workers' Party platform: welfare programs, state-funded development, income redistribution. He drew an estimated 150,000 supporters to a São Paulo rally Saturday, framing the contest as "democracy and sovereignty" versus "barbarism and corruption." The pitch is continuity, anchored by a president who has already governed Brazil for more cumulative years than any living figure. Flávio Bolsonaro ran a different kind of closing event — a motorcycle parade through São Paulo's countryside cities of Santa Bárbara d'Oeste and Americana. His platform centers on hardline security policies, tax cuts, and attacks on Lula's cost-of-living record. He held up a portrait of his jailed father while the crowd chanted "mito" (legend). He has openly pledged a presidential pardon for Jair Bolsonaro if elected. The external variable is Washington. Donald Trump slapped a 50% tariff on Brazilian imports in response to Jair Bolsonaro's coup trial, which the US president called a "witch hunt." Lula's team has weaponized the Trump-Bolsonaro link as a sovereignty threat. Trump has not formally endorsed Flávio but said he is watching "very closely." A Bolsonaro victory would almost certainly realign Brazil toward the US right-populist axis; a Lula win preserves the current friction. The campaign itself has been ugly. Both sides run rapid-response digital operations churning out slick videos and AI-generated images around every gaffe, accusation, and rumor. In September, it emerged that Flávio Bolsonaro is under investigation for alleged corruption, money laundering, and tax evasion tied to the financing of a biopic about his father. He denies misconduct. Despite claiming to be "more moderate" than his father, the younger Bolsonaro shares Jair's positions on gun control and climate skepticism, and calls his father "my compass, my point of reference." Brazil's 160 million registered voters are also choosing governors, lawmakers, and some senators on Sunday. The presidential race, though, is the one that will determine whether Latin America's largest economy continues its leftist course or swings back toward a right-wing populism now explicitly entangled with pardoning a convicted coup plotter.