Tuesday is Election Day in Loudoun County, Virginia, for two seats that will likely stay with Democrats but could flip control of the commonwealth’s upper chamber if an upset occurs, and Democrats are not taking any chances.

Three special elections in Virginia will determine which party holds control of the State Senate and House of Delegates. Democrats are favored in two of the districts, both in Loudoun County, a Washington suburb. Republicans are favored to hold a rural State Senate seat west of Richmond.

Democrat JJ Singh has defeated Republican Ram Venkatachalam in the special election for the Virginia state House’s 26th District, according to Decision Desk HQ. The seat was formerly held by Del. Kannan Srinivasan (D),