The 2025 Koser Jewelers Tennis Challenge was a professional tennis tournament played on outdoor hard courts. It was the eighteenth edition of the tournament, which was part of the 2025 ITF Women's World Tennis Tour. It took place in Landisville, Pennsylvania, United States, between 4 and 10 August 2025.

Champions

Singles

Petra Marčinko def. Janice Tjen, 7–6(7–4), 3–6, 6–4

Doubles

Carmen Corley / Ivana Corley def. Ingrid Martins / Simona Waltert, 4–6, 7–6(7–4), [12–10]

Singles main draw entrants

Seeds Country Player Rank SeedTalia Gibson1071Simona Waltert1282Petra Marčinko1333Jessika Ponchet1394Tatiana Prozorova1405Wei Sijia1467Wang Xiyu1588Lanlana Tararudee1678 Rankings are as of 28 July 2025.

Other entrants The following players received wildcards into the singles main draw: Haley Giavara Elizabeth Ionescu Alana Smith

The following players received entry from the qualifying draw: Ayana Akli Robin Anderson Mayu Crossley Amelia Honer Saki Imamura Elvina Kalieva Himeno Sakatsume Katherine Sebov

The following player received entry as a lucky loser: Rachel Gailis

References

External links 2025 Koser Jewelers Tennis Challenge at ITFtennis.com Official website