Here's a list of Republican Senators who are blocking voting rights legislation and are up for re-election in 2022:
Boozman (AR)
Crapo (ID)
Grassley (IA)
Hoeven (ND)
Johnson (WI)
Kennedy (LA)
Lankford (OK)
Lee (UT)
Moran (KS)
Paul (KY)
Rubio (FL)
Scott (SC)
Thune (SD)
Young (IN)