When do Democrats regain control of the US Senate? 2020 or 2022?

In 2020, Democrats need a net gain of 3 seats with the 2020 US Presidential Election, 4 seats without the 2020 US Presidential Election.
Democratic held US Senate seats up in 2020 that is likely to go Republican- AL(Jones-D)
Democratic held US Senate seats up in 2020 that is in the Tossup/Lean Democratic- MI(Peters-D)
Democratic held US Senate seats up in 2020 that is in the Lean/Likely Democratic-
NH(Shaheen-D) and MN(Smith-D)
Democratic held US Senate seats up in 2020 that is in the Likely/Safe Democratic-
NM(Lujan-D) and VA(Warner-D)
Democratic held US Senate seats up in 2020 that is in the Safe Democratic-
OR(Merkley-D),DE(Coons-D),IL(Durbin-D),NJ(Booker-D),MA(Markey-D), and RI(Reed-D)
Republican held US Senate seats up in 2020 that is likely to go Democratic-
CO(Gardner-R vs Hickenlooper-D), AZ special(McSally-R vs Kelly-D), and NC(Tillis-R vs Cunningham-D).
ME(Collins-R vs Gideon-D) and the 2020 US Presidential Election will give Democrats majority control of the US Senate in 2020.
In 2022, Democrats need a net gain of 1 seat with the US Presidency, 2 seats without the US Presidency.
Democratic held US Senate seats up in 2022 that is in the Tossup column.- AZ(Kelly-D)
Democratic held US Senate seats up in 2022 that is in the Lean Democratic column-
NH(Hassan-D), NV(Cortez Masto-D), and CO(Bennet-D)
Democratic held US Senate seats up in 2022 that is in the Likely Democratic column- WA(Murray-D)
Democratic held US Senate seats up in 2022 that is in the Safe Democratic column-
CA(Harris-D),CT(Blumenthal-D),HI(Schatz-D),IL(Duckworth-D),MD(Van Hollen-D), NY(Schumer-D),OR(Wyden-D), and VT(Leahy-D).
Republican held seats up in 2022 that is likely to go Democratic.
PA(Toomey-R vs Lamb-D), WI(Johnson-R vs Kind-D), and NC(OPEN Burr-R/Ross-D), IA(OPEN Grassley-R/Scholten-D).