Incumbent Georgia Republican Sen. Kelly Loeffler's and Democratic challenger Raphael Warnock's political inexperience was on display during their debate.
The relatively inexperienced debaters lobbed canned attack lines on Sunday while trying to dodge, sometimes not very artfully, pointed questions from the panel and each other.
The hourlong matchup in Atlanta will likely be their only head-to-head appearance before the Jan. 5 special election runoff. Theirs is one of two races that could change the Republicans' 50-48 balance of power in the Senate for the next Congress.
With polling indicating a tight race, here are five key debate takeaways before their highly competitive, high-stakes election for the last two years of former Sen. Johnny Isakson's seat: