US Senate seats up for re-election in 2020 that Democrats are going to win are

1)RI(Reed-D)36
2)MA(Markey-D)37
3)NJ(Booker-D)38
4)DE(Coons-D)39
5)IL(Durbin-D)40
6)OR(Merkley-D)41
7)VA(Warner-D)42
8)NM(Lujan-D)43
9)MN(Smith-D)44
10)NH(Shaheen-D)45
11)MI(Peters-D)46
12)CO(Hickenlooper-D)47
13)AZ special(Kelly-D)48
14)NC(Cunningham-D)49
15)ME(Gideon-D)50
US Senate seats up for re-election in 2020 that Democrats are going to win if 2020 is a strong Democratic wave.
GA special(Warnock-D)
GA regular(Tomlinson-D)
IA(Greenfield-D)