
Incumbent Sen. Martha McSally defeated Daniel McCarthy and write-in candidate Sean Lyons in the Republican special primary election for U.S. Senate in Arizona on August 4, 2020. The special election was called to fill the rest of the 2017-2022 term that John McCain (R) was elected to in 2016. McCain died of cancer on August 25, 2018. Gov. Doug…

Fifteen candidates are running in the Republican Party primary for U.S. Senate in Tennessee on August 6, 2020. Incumbent Sen. Lamar Alexander (R-Tenn.), first elected in 2002, is not running for re-election. Two candidates—Bill Hagerty and Manny Sethi—lead in media attention, noteworthy primary endorsements, advertisement activity, and campaign spending. CNN's Alex Rogers and Manu Raju wrote that the primary "resembles the…

Sixteen candidates are running in Tennessee's 1st Congressional District's Republican Party primary on August 6, 2020. Incumbent Rep. Phil Roe (R), first elected in 2008, is not running for re-election. Five candidates—John Clark, Rusty Crowe, Josh Gapp, Diana Harshbarger, and Timothy Hill—lead in fundraising and advertisement activity. The top three fundraisers—Harshbarger, Gapp, and Clark—have largely self-financed their campaigns. Self-contributions made up 89% of…

Amanda Adkins won the Republican primary for Kansas’ 3rd Congressional District Aug. 4. With 89% of precincts reporting, she led the field of candidates with 31% of the vote. The Associated Press called the race at 9:50 p.m. CDT.
Incumbent Gov. Mike Parson won the Republican gubernatorial primary in Missouri Tuesday night. With 4% of precincts reporting, he received 77% of the vote. Three other candidates ran. The Associated Press called the race at 8:11 p.m. Central Time.

Peter Meijer won the Republican primary for Michigan’s 3rd Congressional District. With 64% of precincts reporting, he led the field of candidates with 51% of the vote, followed by Lynn Afendoulis with 25%, and Tom Norton with 18%. Decision Desk HQ called the race at 8:12 p.m. Central Time.

U.S. Rep. Roger Marshall defeated former Secretary of State Kris Kobach, plumber Bob Hamilton, and eight others in the Republican primary for U.S. Senate in Kansas. As of 9:25 p.m. Central Time, Marshall had received 37% of the vote followed by Kobach and Hamilton with 26% and 20%, respectively. No other candidate received over 10% of the vote. During the…
Jake LaTurner won Kansas' 2nd Congressional District Republican primary with 49% of the vote to incumbent Steve Watkins' 34% and Dennis Taylor's 17%, with 57% of precincts reporting. Watkins is the sixth incumbent representative defeated in a primary in 2020. He was first elected in 2018, defeating Paul Davis (D) by less than 1 percentage…

There are three battleground primaries taking place in Kansas on August 4. Battlegrounds are elections that Ballotpedia expects to have a meaningful effect on the balance of power in governments or to be particularly competitive or compelling. Republican primary for U.S. Senate in Kansas Eleven candidates are running in the Republican primary for U.S. Senate…