Vulnerable Republican Senators up for Reelection in 2020

State	PVI	Senator	Last Election	Likely Opponent	Campaign Website	Election Wikipedia Page
Colorado	D+1	Cory Gardner	48.2% R	John Hickenlooper	https://www.hickenlooper.com/	https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Colorado
Maine	D+3	Susan Collins	68.5% R	Sara Gideon	https://saragideon.com/	https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Maine
North Carolina	R+3	Thom Tillis	48.8% R	Cal Cunningham	https://www.calfornc.com/	https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_North_Carolina
Iowa	R+3	Joni Ernst	52.1% R	Theresa Greenfeld	https://greenfieldforiowa.com/about/	https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Iowa
Georgia	R+5	David Perdue	52.9% R	Contested Primary		https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Georgia
Georgia	R+5	Kelly Loeffler	Appointed	Contested Primary		https://en.wikipedia.org/wiki/2020_United_States_Senate_special_election_in_Georgia
Arizona	R+5	Martha McSally	Appointed	Mark Kelly	https://markkelly.com/	https://en.wikipedia.org/wiki/2020_United_States_Senate_special_election_in_Arizona
South Carolina	R+8	Lindsey Graham	55.3% R	Jaime Harrison	https://jaimeharrison.com/	https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_South_Carolina
Texas	R+8	John Cornyn	61.6% R	Contested Primary		https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Texas
Mississippi	R+9	Cindy Hyde-Smith	53.6% R	Mike Espy	https://espyforsenate.com/	https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Mississippi
Alaska	R+9	Dan Sullivan	48.0% R	Al Gross (I)	https://dralgrossak.com/	https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Alaska
Louisiana	R+11	Bill Cassidy	55.9% R	Antoine Pierce	http://www.antoinepierce.com/	https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Louisiana
Montana	R+11	Steve Daines	57.9% R	Contested Primary		https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Montana
Kansas	R+13	Pat Roberts (retiring)	53.1% R	Barbara Bollier	https://bollierforkansas.com/	https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Kansas
Nebraska	R+14	Ben Sasse	64.5% R	Contested Primary		https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Nebraska
South Dakota	R+14	Mike Rounds	50.4% R	Dan Ahlers	https://www.danahlers.com/	https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_South_Dakota
Tennessee	R+14	Lamar Alexander (retiring)	61.9% R	Contested Primary		https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Tennessee
Kentucky	R+15	Mitch McConnell	56.2% R	Amy McGrath	https://amymcgrath.com/	https://en.wikipedia.org/wiki/2020_United_States_Senate_election_in_Kentucky