2018 Koser Jewelers Tennis Challenge
Date	6–12 August
Edition	12th
Category	ITF Women's Circuit
Prize money	$60,000
Surface	Hard
Location	Landisville, United States
Champions
Singles
Madison Brengle
Doubles
Ellen Perez / Arina Rodionova
← 2017 · Koser Jewelers Tennis Challenge · 2019 →

The 2018 Koser Jewelers Tennis Challenge was a professional tennis tournament played on outdoor hard courts. It was the twelfth edition of the tournament and was part of the 2018 ITF Women's Circuit. It took place in Landisville, United States, on 6–12 August 2018.

Singles main draw entrants

Seeds

Country	Player	Rank1	Seed
USA	Nicole Gibbs	110	1
NED	Arantxa Rus	116	2
USA	Madison Brengle	120	3
RUS	Vera Zvonareva	131	4
GBR	Heather Watson	133	5
RUS	Anastasia Potapova	135	6
UKR	Anhelina Kalinina	143	7
GBR	Naomi Broady	147	8

• ¹ Rankings as of 30 July 2018.

Other entrants

The following players received a wildcard into the singles main draw:

• Gail Brodsky
• Sophie Chang
• Lauren Davis
• Joelle Kissell

The following player received entry using a protected ranking:

• Olga Govortsova
• Jessica Pegula

The following player received entry by a special exempt:

• Ann Li

The following players received entry from the qualifying draw:

• Kimberly Birrell
• Hayley Carter
• Risa Ozaki
• Jessika Ponchet

The following players received entry as a lucky loser:

• Eri Hozumi

Champions

Singles

• Madison Brengle def. Kristie Ahn, 6–4, 1–0, ret.

Doubles

• Ellen Perez / Arina Rodionova def. Chen Pei-hsuan / Wu Fang-hsien, 6–0, 6–2