Texas Sen. Ted Cruz Rafael (Ted) Edward CruzCruz blocks amended resolution honoring Ginsburg over language about her dying wish Trump argues full Supreme Court needed to settle potential election disputes Press: Notorious RBG vs Notorious GOP MORE (R) and Rep. Beto O'Rourke Beto O'RourkeJimmy Carter says his son smoked pot with Willie Nelson on White House roof O'Rourke endorses Kennedy for Senate: 'A champion for the values we're most proud of' 2020 Democrats do convention Zoom call MORE (D) are slated to hold three debates in their Senate race in the lead-up to the November elections, the campaigns announced Friday.

The candidates are set to appear in debates between Sep. 21 and Oct. 16. Each debate will be one hour long and they are scheduled to take place in Dallas, Houston and San Antonio.

Both campaigns have wrangled over the number of debates they would participate in before November, with polls showing the nationally watched Senate battle remaining close less than two months from the election.

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In April, O'Rourke challenged the incumbent GOP senator to six debates. Cruz countered two months later by suggesting holding five debates in October. O'Rourke rejected that proposal, which had all five debates happening on Friday evenings during high school football.

Democrats have increasingly eyed the race as a potential pickup opportunity, despite Texas being a deep-red state.

A CBS Dallas-Fort Worth/Dixie Strategies poll from Wednesday showed Cruz with a 4-point lead over O'Rourke, 46 percent to 42 percent, with 11 percent undecided and a margin of error of 4.3 percentage points.

The election has received national attention in recent months, with progressives hailing O'Rourke, including following a viral video in which he defended NFL players kneeling in protest during the national anthem.