If 2020 is like 2016, same political party wins the US Presidential & Senate Election in each state.

Biden wins all of the Clinton 2016 states.
Democrats win the US Senate Elections in-
CO(Hickenlooper-D)+1D/36D
DE(Coons-D)37D
IL(Durbin-D)38D
ME(Gideon-D)+1/39D
MA(Markey/Kennedy-D)40D
MN(Smith-D)41D
NH(Shaheen-D)42D
NJ(Booker-D)43D
NM(Lujan-D)44D
OR(Merkley-D)45D
RI(Reed-D)46D
VA(Warner-D)47D
Biden-D wins
AZ- special(Kelly-D)48D
GA regular(Ossoff-D)special(Warnock/Lieberman-D)whoever ends up in the 1/2021 runoff ballot.50D
IA(Greenfield-D)51D
MI(Peters-D)52D
NC(Cunningham-D)53D
Democrats will US Senate Races in-
MT(Bullock-D)54D
KS(Bollier-D) vs Kobach-R 55D