2022 US Senate Election with a Democratic POTUS is what 2018 was to a Republican POTUS.

2018
Democratic US Senate seats in Clinton States.
CA- Feinstein-D
CT- Murphy-D
DE- Carper-D
HI- Hirono-D
ME- King-I/D
MD- Cardin-D
MA- Warren-D
MN- Klobuchar-D
NJ- Menendez-D
NM- Heinrich-D
NY- Gillibrand-D
RI- Whitehouse-D
VT- Sanders-D
VA- Kaine-D
WA- Cantwell-D
Democratic US Senate seats in Trump States
FL- Nelson-D lost
IN- Donnelly-D lost.
MI- Stabenow-D won
MO- McCaskill-D lost
MT- Tester-D won
ND- Heitkamp-D lost
OH- Brown-D won
PA- Casey-D won
WV- Manchin-D won
WI- Baldwin-D won
Republican US Senate seats in Clinton States
NV- Heller-R lost to Rosen-D
AZ(OPEN Flake-R) was the other Republican held seat that went Democratic.
2022
Democratic US Senate seats in States the Democratic Presidential Nominee carried in 2020.
CA- Harris-D
CO- Bennet-D
CT- Blumenthal-D
HI- Schatz-D
IL- Duckworth-D
MD- Van Hollen-D
NV- Cortez Masto-D
NH- Hassan-D
NY- Schumer-D
OR- Wyden-D
VT- Leahy-D
WA- Murray-D
Democratic US Senate seats in States that Trump/Pence carried in 2020
AZ- Kelly-D
Republican US Senate seats in States that the Democratic Presidential Nominee carried in 2020.
PA- Toomey-R
WI- Johnson-R

2020
Democrats lose AL but gain AZ special, CO, and NC. +2D 49D 51R
2022
Democrats could lose AZ but gain NC,PA,and WI. +1 to +3D