Democrats have enough US Senate seats to win in order to regain control of the US Senate in 2020.

[nkpolitics1212]

Democrats will win 11 out of the 12 Democratic held US Senate seats up for re-election in 2020.
1/36)RI(Reed-D)
2/37)MA(Markey-D)
3/38)DE(Coons-D)
4/39)IL(Durbin-D)
5/40)OR(Merkley-D)
6/41)NJ(Booker-D)
7/42)VA(Warner-D)
8/43)NM(Lujan-D)
9/44)MN(Smith-D)
10/45)NH(Shaheen-D)
11/46)MI(Peters-D)
AL(Jones-D) is the seat Democrats lose.
Democrats will win at least 4 Republican held US Senate seats up for re-election in 2020.
1/47)AZ special(Kelly-D)
2/48)CO(Hickenlooper-D)
3/49)ME(Gideon-D)
4/50)NC(Cunningham-D)
Biden's VP Runningmate or
5/51)MT(Bullock-D) or IA(Greenfield-D)