2025 Koser Jewelers Tennis Challenge

2025 Koser Jewelers Tennis Challenge
Date	4–10 August 2025
Edition	18th
Category	ITF Women's World Tennis Tour
Prize money	$100,000
Surface	Hard / Outdoor
Location	Landisville, United States
Champions
Singles
Petra Marčinko
Doubles
Carmen Corley / Ivana Corley

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.^[1]

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

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

Country	Player	Rank	Seed
AUS	Talia Gibson	107	1
SUI	Simona Waltert	128	2
CRO	Petra Marčinko	133	3
FRA	Jessika Ponchet	139	4
	Tatiana Prozorova	140	5
CHN	Wei Sijia	146	7
CHN	Wang Xiyu	158	8
THA	Lanlana Tararudee	167	8

• Rankings are as of 28 July 2025.

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

• 2025 Koser Jewelers Tennis Challenge at ITFtennis.com
• Official website