Texas voters will decide 39 runoff elections on Tuesday. Here are the most significant races:

Republican Party:

U.S. Senate: Ted Cruz vs David Dewhurst

Railroad Commission Place 1: Warren Chisum vs Christi Craddick

Supreme Court Place 4: John Devine vs David Medina

State Board of Education District 10: Tom Maynard vs Rebecca Osborne

State Board of Education District 12: Miller vs Spurlock

Congressional District 14: Felicia Harris vs Randy Weber

Congressional District 25: Wes Riddle vs Roger Williams

Congressional District 36: Steve Stockman vs Stephen Takach

Senate District 25: Jeff Wentworth vs Donna Campbell

House District 11: Travis Clardy vs Chuck Hopson

House District 43: J.M. Lozano vs Bill Wilson

House District 59: Sid Miller vs J.D. Sheffield

Democratic Party:

U.S. Senate: Paul Sadler vs Grady Yarbrough

State Board of Education District 2: Ruben Cortez vs Celeste Zepeda Sanchez

Congressional District 23: Pete Gallego vs. Ciro Rodriguez

Congressional District 33: Domingo Garcia vs Marc Veasey

Congressional District 34: Filemon Vela vs Denise Saenz Blanchard