The 2023 Vitas Gerulaitis Cup was a professional tennis tournament played on indoor hard courts. It was the first edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Vilnius, Lithuania between 6 and 12 February 2023.
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
As part of the event, an exhibition of unseen photographies of Vitas Gerulaitis life has been launched in the SEB Arena.[2]