The maximum number of US Senate seats the Democrats will gain in 2022 is 3.

[nkpolitics1212]

Democrats will win all of the Democratic held US Senate seats up for re-election in 2022.
37)HI(Schatz-D)
38)NY(Schumer-D)
39)VT(Welch-D)
40)CA(Padilla-D)
41)MD(Van Hollen-D)
42)CT(Blumenthal-D)
43)WA(Murray-D)
44)OR(Wyden-D)
45)IL(Duckworth-D)
46)CO(Bennet-D)Likely D
47)NH(Hassan-D)Likely D
48)AZ(Kelly-D)Lean D
49)NV(Cortez Masto-D)
50)GA(Warnock-D)
Democrats will win 3 Republican held US Senate seats up for re-election in 2022
51)PA(Fetterman-D)
52)WI(Barnes-D)
53)NC(Beasley-D)

Republicans will win OH(Mandel-R) and FL(Rubio-R) by a narrow to high single digit margin.