Sen. Ted Cruz Rafael (Ted) Edward CruzThe Hill's Morning Report - Sponsored by Facebook - Trump previews SCOTUS nominee as 'totally brilliant' Cruz blocks amended resolution honoring Ginsburg over language about her dying wish Trump argues full Supreme Court needed to settle potential election disputes MORE (R-Texas) asked President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE to campaign for him in his Senate race against 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-Texas).

Cruz told The Houston Chronicle during a campaign stop in Seguin, Texas, on Monday that he had contacted Trump and that he would "welcome" the president's support.

"I hope to see him in Texas,” Cruz told the Chronicle. “I think we are likely to see the president down in Texas before the election.”

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The former White House hopeful admitted that his relationship with Trump has had its "ups and downs," specifically during the 2016 Republican presidential primary. But Cruz told the Chronicle that he has been working closely with the administration.

“We’re talking to the White House every week, sometimes every day,” Cruz said. “I’ve been proud to lead the effort to bring Republicans together.”

Cruz is facing a tough reelection test against O'Rourke.

While Cruz remains the favorite, polls have continued to show the Democratic challenger gaining ground.

The Cook Political Report, a major nonpartisan election handicapper, shifted the race from its “likely Republican” column to “lean Republican” last week, saying that recent polling suggests a tighter contest.

In addition, a new Texas Lyceum poll indicated Cruz leads O'Rourke by just a 2-point margin among likely voters.

Trump has held a number of rallies for GOP candidates this year to help the party retain control of Congress. On Saturday, he campaigned for Republican Troy Balderson, who is running in a special election in Ohio's 12th District.