Democrats are looking to pull off a massive win and Republicans are trying to avoid an upset as voters in Tennessee head to the polls Tuesday for an unusually close special election.

The race to replace retired Republican Rep. Mark Green in Tennessee's 7th congressional district has turned into a closely watched contest as Democrats benefit from reinvigorated voter enthusiasm and President Donald Trump's sinking poll numbers.

Democrat Afytn Behn, a progressive Tennessee state representative, is squaring off against Matt Van Epps, a combat veteran and former commissioner of the Tennessee Department of General Services. Polls close at 7 p.m. CT.

More: Tennessee congressional race becomes unlikely test of blue wave

Signaling a potential blue wave in next year's midterm elections, Behn and Van Epps are locked in a tight race in a district that Trump carried by 22 percentage points in 2024. A poll from Emerson College Polling/The Hill found Van Epps leading by only 2 percentage points, 48% to 46%, within the survey's margin of error.