![2023 Libéma Open – Men's singles 2023 Libéma Open – Men's singles](/modules/owlapps_apps/img/nopic.jpg)
Tallon Griekspoor defeated Jordan Thompson in the final, 6–7(4–7), 7–6(7–3), 6–3 to win the men's singles tennis title at the 2023 Libéma Open. It was his second ATP Tour title.
Tim van Rijthoven was the reigning champion, but did not compete due to an elbow injury.
This tournament marked the return of 2016 Wimbledon finalist and former world No. 3 Milos Raonic, after being away from the tour since 2021. He lost in the second round to Thompson.
The top four seeds received a bye into the second round.
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