Wisconsin Gov. Scott Walker (R) on Tuesday warned that his state could see a wave of Democratic victories in the 2018 midterm elections and pressed supporters to "counter" the "Far Left."

Walker's comments came after liberal Judge Rebecca Dallet overcame conservative Judge Michael Screnock in the race for a Wisconsin Supreme Court seat on Tuesday night.

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"Tonight’s results show we are at risk of a # BlueWave in WI. The Far Left is driven by anger & hatred — we must counter it with optimism & organization," Walker tweeted. "Let’s share our positive story with voters & win in November."

"Big government special interests flooded Wisconsin with distorted facts & misinformation," he added in a second tweet. "Next, they'll target me and work to undo our bold reforms. We need to keep moving #WIForward & make sure a #BlueWave of outside special interest money doesn’t take us backward."

Tonight’s results show we are at risk of a #BlueWave in WI. The Far Left is driven by anger & hatred -- we must counter it with optimism & organization. Let’s share our positive story with voters & win in November. — Scott Walker (@ScottWalker) April 4, 2018

Big government special interests flooded Wisconsin with distorted facts & misinformation. Next, they'll target me and work to undo our bold reforms. We need to keep moving #WIForward & make sure a #BlueWave of outside special interest money doesn’t take us backward. — Scott Walker (@ScottWalker) April 4, 2018

Wisconsin is working with RECORD-LOW unemployment thanks to our reforms, but the risk of a #BlueWave puts everything in jeopardy – balanced budgets, collective bargaining reforms, $8B in tax cuts, welfare reform & more. — Scott Walker (@ScottWalker) April 4, 2018

The race between Dallet and Screnock was cast by Democrats and Republicans alike as a bellwether for the 2018 midterm elections, with liberal groups seeking to seize on Democratic energy that has emerged following President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE's 2016 election.

Dallet saw support from a number of liberal groups, including former Attorney General Eric Holder Eric Himpton HolderThe Hill's Campaign Report: Trump's rally risk | Biden ramps up legal team | Biden hits Trump over climate policy Biden campaign forming 'special litigation' team ahead of possible voting battle Pompeo, Engel poised for battle in contempt proceedings MORE's National Democratic Redistricting Committee, which poured $165,000 into digital ads in the race.

Dallet's win is likely to be touted by liberals as a sign of Democratic momentum in the midterms. The Tuesday night victory was the first for Democrats in an open Wisconsin Supreme Court race since 1995.