Updated 10:32 p.m. | Former Rep. Frank Guinta won the Republican nomination for New Hampshire’s 1st District and will face Democratic Rep. Carol Shea-Porter for the third time in as many cycles.

Guinta was leading former University of New Hampshire business school dean Dan Innis, 49 percent to 41 percent, when The Associated Press called the race for the former member.

The race for the 1st District will likely be the most competitive race in New England, marking the GOP’s best shot at making inroads in the region in a House race. The race is rated Tilts Democratic by Rothenberg Political Report/Roll Call.

Guinta ousted Shea Porter from office in 2010. Two years later, Shea Porter defeated him in a rematch.

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In the final stretch of the primary, Guinta reported $188,000 in cash on hand. Shea-Porter had $650,000 in the bank at the same time.

Compared to her Democratic colleagues, Shea-Porter is a weak fundraiser, and it’s a concern for national Democrats. Other Democrats in tough races are sitting on war chestsworth more than $1 million.

But the congresswoman has also been repeatedly underestimated. Operatives were stunned when she defeated Guinta in 2012 by 13,000 votes. At the time, Republicans blamed President Barack Obama’s unexpected narrow win in the district.

Shea-Porter will likely also benefit from sharing a ballot with Democratic Gov. Maggie Hassan and Sen. Jeanne Shaheen, who are both favored to win re-election.

2nd District

State Rep. Marilinda Garcia won the New Hampshire GOP primary to take on freshman Democratic Rep. Ann McLane Kuster in November.

Garcia defeated former state Sen Gary Lambert, 49 percent to 28 percent, with 46 percent of precincts reporting, when The Associated Press called the race.

She now faces an uphill battle to oust Kuster in the Granite State’s more left-leaning House district.The race is rated Leans Democratic by Rothenberg Political Report/Roll Call.