2020 US Senate Election- Democrats need to win 6 Republican held US Senate seats to regain control.

Democrats need a net gain of 4 seats to regain control of the US Senate.
35 Democratic held US Senate seats are not up for re-election in 2020.
12 Democratic held US Senate seats are up for re-election in 2020.
Democrats are favored to win 10 out of the 12 Democratic held US Senate seats up for re-election in 2020.
1)MA(Markey-D/Kennedy-D)36
2)RI(Reed-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(OPEN Udall-D/Lujan-D)43
9)MN(Smith-D)44
10)NH(Shaheen-D)45
Democrats will win those seats by a double digit to landslide margin.
Democrats will definitely lose AL(Jones-D) unless Moore-R get nominated by the AL Republicans again.
Democrats have a 50-50 chance of winning or losing MI(Peters-D).
The 6 Republican held US Senate seats up for re-election in 2020 that Democrats can or need to win are
CO(Gardner-R/Hickenlooper-D)
AZ special(McSally-R/Kelly-D)
NC(Tillis-R/Cunningham-D)
ME(Collins-R/Gideon-D)
Both GA US Senate seats./One GA US Senate seats and IA(Ernst-R/Greenfield-D) or TX(Cornyn-R/Hegar-D)