2018 Nielsen Pro Tennis Championship
Date	9–14 July
Edition	27th
Surface	Hard
Location	Winnetka, United States
Champions
Singles
Evgeny Karlovskiy
Doubles
Austin Krajicek / Jeevan Nedunchezhiyan
← 2017 · Nielsen Pro Tennis Championship · 2019 →

The 2018 Nielsen Pro Tennis Championship was a professional tennis tournament played on hard courts. It was the 27th edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Winnetka, Illinois, between 9 and 14 July 2018.

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
USA	Tim Smyczek	113	1
USA	Bjorn Fratangelo	129	2
IND	Ramkumar Ramanathan	140	3
TPE	Jason Jung	155	4
BAR	Darian King	160	5
USA	Reilly Opelka	161	6
USA	Kevin King	172	7
EGY	Mohamed Safwat	175	8

• ¹ Rankings are as of July 2, 2018.^[1]

Other entrants

The following players received wildcards into the singles main draw:

• Tom Fawcett
• Martin Joyce
• Thai-Son Kwiatkowski
• Danny Thomas

The following players received entry into the singles main draw using protected rankings:

• Tom Jomby
• Nicolas Meister

The following players received entry from the qualifying draw:

• Collin Altamirano
• Aziz Dougaz
• Guy Orly Iradukunda
• Martin Redlicki

Champions

Singles

• Evgeny Karlovskiy def. Jason Jung 6–3, 6–2.

Doubles

• Austin Krajicek / Jeevan Nedunchezhiyan def. Roberto Maytín / Christopher Rungkat 6–7^(4–7), 6–4, [10–5].