The Tennessee Senate race between Rep. Marsha Blackburn Marsha BlackburnHillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Key Democrat opposes GOP Section 230 subpoena for Facebook, Twitter, Google Senate panel threatens subpoena for Google, Facebook and Twitter executives MORE (R) and former Gov. Phil Bredesen (D) is nearly a dead heat just under three weeks from the 2018 midterms.

Blackburn has a narrow 3-point lead over Bredesen in the race to fill the seat of retiring GOP Sen. Bob Corker Robert (Bob) Phillips CorkerHas Congress captured Russia policy? Tennessee primary battle turns nasty for Republicans Cheney clashes with Trump MORE, according to a new poll released Wednesday by Reuters.

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The Reuters/Ipsos/University of Virginia poll found Blackburn holding a 47 percent to 44 percent edge among likely voters, just ahead of the poll's 2.5 point margin of error, meaning the race is practically tied.

This comes off a recent Fox News Poll that showed Blackburn with a 5-point lead.

Democrats see the state as a prime opportunity to pick up a seat in their bid to take back the upper chamber in the midterms.

The Democrats need to pick up two seats to flip the Senate, but they face a tough map where they are defending 10 seats in states that were won by President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE in 2016.

Blackburn has tied herself closely to Trump, who held a rally for her earlier this month.

Bredesen has maintained a centrist stance and is one of few Democrats to publicly say he would have voted for the confirmation of Brett Kavanaugh Brett Michael KavanaughTrump faces tricky choice on Supreme Court pick The Hill's 12:30 Report: Trump stokes fears over November election outcome The Hill's Morning Report - Sponsored by Facebook - Trump previews SCOTUS nominee as 'totally brilliant' MORE to the Supreme Court.

Tennessee has not elected a Democratic senator since 1990.

A RealClearPolitics average of polls shows Blackburn with a 5.5 point lead.

"It’s become such a Republican state," University of Virginia political scientist Larry Sabato told Reuters. "It’s so difficult to, for any Democrat to put together a majority statewide.”

The poll surveyed 1,108 likely voters between Oct. 4 and 11.