The 2023 ITS Cup was a professional tennis tournament played on outdoor clay courts.

It was the fourteenth edition of the tournament, which was part of the 2023 ITF Women's World Tennis Tour.

It took place in Olomouc, Czech Republic, between 17 and 23 July 2023.

[1] The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following player received entry as a lucky loser: