That same poll shows Romney narrowly beating Obama in a head-to-head matchup, while Gingrich would lose 37 percent to 53 percent.
Surfers are arranged in head-to-head matchups in a bracket system, and advance with each heat win.
The first round vote is April 22, the run-off May 6, and Hollande still leads incumbent Nicolas Sarkozy in head-to-head polls.
In a head-to-head matchup, Boxer beats Fiorina at this point.
But Nadal has won three straight against the 32-year-old Federer to up his advantage to 21-10 in their head-to-head record.
As early as the first turn, it was a head-to-head matchup between the two American teammates.
The second head-to-head came the following spring of 2008, just before the late-stage primaries in Indiana and North Carolina.
In a head-to-head race against the incumbent, Republican Paul LePage, polls suggest that Michaud would win easily.
An Insider Advantage poll released Wednesday night showed him pulling ahead of Deal in a head-to-head match-up.
The latest polls show Republican Mitt Romney edging ahead of President Obama in a head-to-head matchup in 2012.