The 2023 Koser Jewelers Tennis Challenge was a professional tennis tournament played on outdoor hard courts. It was the sixteenth edition of the tournament which was part of the 2023 ITF Women's World Tennis Tour. It took place in Landisville, Pennsylvania, United States between 7 and 13 August 2023.
Champions
Singles
Wang Xinyu def. Madison Brengle, 6–2, 6–3
Doubles
Sophie Chang / Yulia Starodubtseva def. Olivia Gadecki / Mai Hontama, Walkover
Singles main draw entrants
Seeds
1 Rankings are as of 31 July 2023.
Other entrants
The following players received wildcards into the singles main draw: Sophie Chang Makenna Jones McCartney Kessler Mary Stoiana
The following players received entry from the qualifying draw: Robin Anderson Nefisa Berberović Allie Kiick Veronika Miroshnichenko Hanna Poznikhirenko Madison Sieg Alana Smith Sahaja Yamalapalli
The following player received entry as an special exempt: Renata Zarazúa