2020 and 2022 US Senate Election map is more Democratic friendly than in 2018.

2018- 12 Democratic held seats could have been seriously contested
FL
IN
MI
MN special
MO
MT
NJ- Menendez-D scandal
ND
OH
PA
WV
WI
Republicans are favored to pick up ND. FL,IN,MO,and MT are in the Tossup/Tilt Democratic column. MN special,NJ,and WV are in the Lean Democratic column. MI,OH,PA,and WI are in the Likely Democratic column.
4 Republican held seats are being seriously contested.
AZ
NV
TN
TX
Democrats will win AZ and/or NV. If Democrats have an excellent night this Tuesday- TN and/or TX.
2020- 2 Democratic held US Senate seats are in jeopardy.
AL
NH- if Sununu-R runs.
AL is more likely to go Republican barring a Roy Moore like nominee.
Republicans are highly vulnerable in
1)AK- Walker-I follows 2018 Democratic AK US House nominee Alyse Galvin's lead- seek the Democratic nomination as an Independent.
2)AZ special
3)CO
4)GA
5)IA
6)ME
7)MT- if Bullock-D runs.
8)NC
2022- Democratic US Senators elected or re-elected in 2016 by a narrow to high single digit margin
CO
NV
NH
NH is the only Democratic held US Senate seat up in 2022 that is vulnerable if Ayotte-R or Sununu-R runs.
Democrats also have to defend AZ- assuming they win it in 2020 special.
Republicans are vulnerable in
AL- if Republicans nominate a Roy Moore like candidate.
FL
GA- if Isakson-R retires, Barrow-D runs.
IA
MO- if Galloway-D runs.
NC
PA
WI