2023-09-04 Genoa (c)

The 2023 Genoa Open Challenger (known as AON Open Challenger for sponsorship reasons) was a men's tennis tournament played on outdoor clay courts in Genoa, Italy, that was part of the Challenger 125 series of tournaments on the 2023 ATP Challenger Tour. It was the 19th edition of the Genoa Open Challenger and was held 4–10 September.