Democrats are not going to lose any US Senate seats in the 2022 US Senate Election cycle.

[nkpolitics1212]

In 2022 there are not any Democratic held US Senate seats that are in the Safe/Likely Republican column like AL-2020,IN/MO/ND-2018.
The Democratic held US Senate seats up in 2022 that is not safe is-
GA(Warnock-D) if he wins the 2020 Special US Senate Election. Warnock-D will win re-election to a full 6 year 1st term in 2022.
AZ(Kelly-D) will win re-election to a full 6 year 1st term in 2022 even against Ducey-R.
NH(Hassan-D) wins re-election against Sununu-R and/or Ayotte-R.
NV(Cortez Masto-D) wins re-election against Sandoval-R.
CO(Bennet-D) wins re-election by a double digit margin similar to the Hickenlooper-D vs Gardner-R 2020 race.
CA,CT,HI,IL,MD,NY,OR,VT,and WA are safe Democratic states at the Presidential Level.
On the Republican side- the vulnerable US Senate seats up in 2022 are
FL(Rubio-R)
IA(OPEN Grassley-R)
NC(OPEN Burr-R)
OH(Portman-R)
PA(Toomey-R)
WI(OPEN Johnson-R)

NC,PA,and WI will be the Republican held US Senate seats up in 2022 that the Democrats will win.