(CNN) - The gubernatorial battle in Ohio is deadlocked, according to a new poll. A CNN/Opinion Research Corp. survey released Wednesday also indicates that the Republicans hold a wide lead in the fight for the state's open Senate seat.
Forty-eight percent of likely voters in Ohio say that if the election were held today, they'd vote for Gov. Ted Strickland, with 47 percent saying they'd vote for former Rep. John Kasich, the GOP challenger, and 3 percent are undecided. Strickland's one-point margin is well within the survey's sampling error.
Full results (pdf)
Kasich held a seven-point advantage in a CNN/Time poll conducted a month ago. Other recent polls released over the past week indicated Kasich with a larger lead, including a Quinnipiac University poll that had Kasich up by 10 points and a University of Cincinnati survey in which he had a eight-point advantage over Strickland.
According to the poll, Strickland is overwhelmingly winning the Democratic vote, while Kasich has the overwhelming backing of Republicans, and holds a 51-42 percent advantage among independent voters.
"Strickland is still losing among men, but he gained six points among that group," says CNN Polling Director Keating Holland. "In September, his support among men was under 40 percent. Now it's at 45 percent. Strickland has 51 percent of the vote among women."
In the Senate contest, the poll indicates that Republican nominee Rob Portman has 55-40 percent lead over Lt. Gov. Lee Fisher, the Democrats' nominee, with 3 percent undecided. Portman's 15-point lead is up from an 11-point advantage last month. Other recent polls also indicate that Portman, a former U.S. representative and a George W. Bush administration budget director, holds a large lead over Fisher. The winner in November will succeed retiring Republican Sen. George Voinovich.
Portman's 15-point lead shrinks to a 6-point advantage among the larger sampling of all registered voters.
"Fisher wins urban areas by 16 points, but he's losing the suburbs by nearly 2-1," Holland says.
Besides being a battleground in this year's midterm elections, Ohio is also in the political spotlight since it's a crucial state in the fight for the White House.
According to the survey, 53 percent of likely voters in Ohio disapprove of the job President Obama is doing in the White House, with 42 percent saying they approve of how he's handling his duties. The president's approval rating rises to 45 percent among a wider sampling of registered voters, with 49 percent saying they disapprove.
The CNN/Time/Opinion Research Corp. poll was conducted October 15-19, with 1,502 adults in Ohio, including 1,350 registered voters and 863 likely voters questioned by telephone. The survey's overall sampling error is plus or minus 2.5 percentage points, with a sampling error of plus or minus 3.5 percentage points for likely voters.
– CNN's Paul Steinhauser contributed to this report.