The 2023 ATX Open was a WTA 250 tournament organised for female professional tennis players on outdoor hard courts as part of the 2023 WTA Tour.

The event took place at The Westwood Country Club in Austin, United States, from 27 February through 5 March 2023.

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The following players received wildcards into the singles main draw: The following player received entry using a protected ranking into the singles main draw: The following players received entry from the qualifying draw: The following players received entry as lucky losers: The following pairs received wildcards into the doubles main draw: