Who will win the Senate control in November?

[Joe Biden 2020]

I have been gung-ho in predicting the Republicans will overtake the Senate, but now with Kansas as a pure toss-up based on the latest polls, I'm not so sure.  I'm almost certain that Orman will caucus with the Democrats should he beat Pat Roberts, so even though he's an Indy, for all intents and purposes, I will call him a Democrat.  I was saying a 51-49 Republican advantage, so now I'm putting the control of the Senate in a pure toss-up.  I'm agreeing more and more with a 50-50 Senate with VP Biden breaking the tie.  I'm still going to vote Republican in this poll, but with some hesitancy.

[Joe Biden 2020]

www.electoral-vote.com shows Republicans with a 51-48-1 advantage with all of the southern states (Arkansas, Louisiana, Georgia, North Carolina) plus Alaska going red and all the western/northern states (Colorado, Iowa, Michigan) going blue.  I'm guessing Orman will side with the Democrats, so might as well say 51-49.