A Cygnal poll released in May showed Ossoff with a two-point lead over Collins, winning 45.7 percent of the vote compared to the Republican's 43.3 percent. Eleven percent remained undecided. That poll surveyed 800 general election voters from May 15 to May 17 and had a margin of error of plus or minus 3.41 percentage points.

So far, Georgia Insurance and Fire Commissioner John King and U.S. Rep. Buddy Carter are the only two announced candidates for the GOP Senate nomination. Both Georgia Gov. Brian Kemp and U.S. Rep. Marjorie Taylor Greene have declined Senate bids.