Primary elections happened on June 9, 2020. The Republican Party primary only had one person, David Perdue, as he was Senator before the election. There were many people in the Democratic Party primary, and Jon Oscoff won. These went against Libertarian Party candidate Shane T. Hazel. Nobody got more than 50% of the vote, so the top two (Oscoff and Perdue) went to a second round in January. Ossoff won the second round and became Senator.