The 10 states which are most likely to flip on November 3rd. 2020. (CNN)

1. Alabama

Incumbent: Democratic Sen. Doug Jones

2. Colorado

Incumbent: Republican Sen. Cory Gardner

3. Arizona

Incumbent: Republican Sen. Martha McSally

4. Maine

Incumbent: Republican Sen. Susan Collins

5. North Carolina

Incumbent: Republican Sen. Thom Tillis

6. Iowa

Incumbent: Republican Sen. Joni Ernst

7. Montana

Incumbent: Republican Sen. Steve Daines

8. Georgia

Incumbent: Republican Sen. David Perdue

9. South Carolina

Incumbent: Republican Sen. Lindsey Graham

10. Michigan

Incumbent: Democratic Sen. Gary Peters