The Nexo Dallas Open is an ATP 500 professional tennis tournament held annually in Dallas, Texas, United States, on indoor hardcourts. The event takes place at the Ford Center at The Star in Frisco, Texas. The tournament was relocated there from Uniondale, New York where it was known as the New York Open.
The 2022 Dallas Open marked a return for the ATP Tour tournament in Dallas, as the last Dallas Open was held in 1983. In 2025, the tournament was upgraded to an ATP 500 level event offering athletes $2,760,000 in prize money. In 2026, the tournament officially became known as the Nexo Dallas Open for sponsorship reasons.