Democrats will definitely retain majority control of the US Senate in 2022.

Democrats are going to win
37)CA(Padilla-D) vs another D(Horton-D)
38)HI(Schatz-D)
39)NY(Schumer-D)
40)MD(Van Hollen-D)
41)VT(Welch-D)
42)CT(Blumenthal-D)
43)WA(Murray-D)
44)OR(Wyden-D)
45)IL(Duckworth-D)
46)CO(Bennet-D)
47)NH(Hassan-D)
48)NV(Cortez Masto-D)
49)PA(Fetterman-D)
50)AZ(Kelly-D)
51)GA(Warnock-D) in the 1/2023 runoff.