John Kasich is painting himself as the only Republican candidate who can defeat Hillary ClintonHillary Diane Rodham Clinton2016 pollsters erred by not weighing education on state level, says political analyst Could President Trump's talk of a 'red wave' cause his supporters to stay home in midterms? Dem group targets Trump in M voter registration campaign: report MORE in the general election in an ad to air in New York beginning Friday.  

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"You have only one choice. One choice that will stop the Clinton political machine," begins the 60-second TV spot. "Don't be fooled. Ted CruzRafael (Ted) Edward CruzTrump changes mean only wealthy immigrants may apply, says critic The Hill's Morning Report — Ford, Kavanaugh to testify Thursday as another accuser comes forward Viral video shows O’Rourke air-drumming to the Who’s ‘Baba O’Riley’ after Cruz debate MORE can't win the nomination outright, and he can't defeat Hillary Clinton, either." 

"John Kasich will win the convention, and he'll defeat Hillary Clinton in the fall,” it continues.

The ad comes just weeks before the state's April 19 primary, in which Kasich and his rivals will battle it out for a share of the 95 delegates up for grabs. 

Kasich, who hasn't won a primary since his home state of Ohio in March, is poised to take second place in the state, with polling averages showing him passing Cruz to gain 22 percent of the vote.  

Trump, a native New Yorker, is expected to blow out his rivals, with 53 percent support among GOP voters, according to a RealClearPolitics average of polls.

Kasich has repeatedly said he's counting on a contested convention to win the party's nomination and thinks delegates on subsequent ballots will switch to his side and abandon Trump and Cruz. 

Polls do show Kasich could easily beat Clinton in a general election.