In case you are keeping score...

 Interesting results...

Iowa: Joni Ernst's Republican seat was won by Democrat Josh Turek. [senatordb.com], [ballotpedia.org]

Kansas: Republican Roger Marshall lost to Democrat Adam Hamilton. [senatordb.com]

Maine: Republican Susan Collins lost to Democrat Troy Jackson. [nbcnews.com], [senatordb.com]

Mississippi: Republican Cindy Hyde-Smith lost to Democrat Scott Colom. [nbcnews.com], [senatordb.com]

North Carolina: The Republican-held open seat was won by Democrat Roy Cooper. [foxnews.com], [senatordb.com]

Ohio (special election): Republican-appointed incumbent Jon Husted lost to Democrat Sherrod Brown. [senatordb.com], [foxnews.com]

South Carolina: Republican Lindsey Graham lost to Democrat Annie Andrews. [nbcnews.com], [foxnews.com]

Texas: Republican Ken Paxton lost to Democrat James Talarico. [nbcnews.com], [foxnews.com]

Alaska likely Democrat.