The Democratic nominee for the 2022 US Senate Election performance is based on

How the Democratic nominee for the 2022 Governors Election does except for VT and NH does,
VT Governor-Phil Scott-R
VT US Senator-Peter Welch-D
NH Governor-Chris Sununu-R
NH US Senator-Maggie Hassan-D
AZ Governor-Katie Hobbs-D
AZ US Senator-Mark Kelly-D
CA Governor-Gavin Newsom-D
CA US Senator-Alex Padilla-D
CO Governor-Jared Polis-D
CO US Senator-Michael Bennet-D
CT Governor-Ned Lamont-D
CT US Senator-Richard Blumenthal-D
GA Governor-Stacey Abrams-D
GA US Senator-Raphael Warnock-D
HI Governor-Josh Green-D
HI US Senator-Brian Schatz-D
IL Governor- JB Pritzker-D
IL US Senator- Tammy Duckworth-D
MD Governor- Peter Franchot-D
MD US Senator- Chris Van Hollen-D
NV Goveror- Steve Sisolak-D
NV US Senator-Catherine Cortez Masto-D
NY Governor-Kathy Hochul-D
NY US Senator- Chuck Schumer-D
OR Governor-Ted Wheeler-D
OR US Senator-Ron Wyden-D
PA Governor-Josh Shapiro-D
PA US Senator-John Fetterman-D
WI Governor-Tony Evers-D
WI US Senator-Mandela Barnes-D