Sen. Roger Marshall (R-Kan.) clinched the Republican nomination in Tuesday's primary, according to Decision Desk HQ, setting up a November contest against Democrat pastor Adam Hamilton in a race that political handicappers see as safely in GOP hands.

Marshall, who is seeking a second term, defeated challenger Arch Naramore in the primary. The Cook Political Report has rated the general election as "solid" Republican, a sign of the uphill climb Hamilton faces in a state that has not sent a Democrat to the Senate since 1932.

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The incumbent's campaign has been well-funded. According to Decision Desk HQ data from July, Marshall had raised about $6.1 million and spent just over $1 million. He has also received a "full" and "total" endorsement from former President Trump, a boost that could prove decisive among the state's conservative base.

Hamilton, a senior pastor at the largest United Methodist congregation in the U.S., emerged from a crowded Democratic field. His campaign reported raising $3.6 million since April, a substantial sum but still well short of Marshall's war chest. He is hoping to end the longest Democratic losing streak for a Senate seat in Kansas, a feat that would require a dramatic shift in the state's political landscape.

On the campaign trail, Marshall has focused heavily on election integrity, echoing Trump's calls for the Safeguard American Voter Eligibility (SAVE) Act, which would require proof of citizenship to vote. In a July appearance on Fox Business, Marshall said, "I'm trying to find a path to show America that Democrats don't even believe in voter ID, let alone proof of citizenship. And this is so important to our faith in our democracy." He added, "This voting election integrity is so important to our faith in our own government."

Hamilton, meanwhile, has been campaigning on a platform that includes expanding healthcare access and protecting Social Security and Medicare. He has also criticized Marshall's stance on election security, arguing that it undermines confidence in the electoral process.

The general election is expected to be a low-key affair, with national Democrats largely focusing their resources on more competitive races. Still, Hamilton's fundraising and his appeal as a moderate Democrat could give Marshall some unexpected headaches, particularly among suburban voters who have shown willingness to split tickets.

For more on Tuesday's primary results, including other notable races, see our live coverage. And for a look at the Kansas GOP primary dynamics, check out this analysis.