2015 Nielsen Pro Tennis Championship

The 2015 Nielsen Pro Tennis Championship was a professional tennis tournament played on hard courts. It was the 24th edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Winnetka, Illinois, between 6 and 12 July 2015.

Seeds

 * 1 Rankings are as of June 23, 2015.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Tom Fawcett
 * 🇺🇸 Jared Hiltzik
 * 🇺🇸 Stefan Kozlov
 * 🇺🇸 Mackenzie McDonald

The following player received entry as an alternate into the singles main draw:
 * 🇨🇦 Frank Dancevic
 * 🇺🇸 Tennys Sandgren

The following players received entry from the qualifying draw:
 * 🇺🇸 Marcos Giron
 * 🇺🇸 Nicolas Meister
 * 🇺🇸 Dennis Nevolo
 * 🇦🇺 Andrew Whittington

The following player received entry as a lucky loser:
 * 🇺🇸 Ernesto Escobedo

Singles

 * 🇮🇳 Somdev Devvarman def. 🇺🇸 Daniel Nguyen, 7–5, 4–6, 7–6(7–5)

Doubles

 * 🇸🇪 Johan Brunström / 🇺🇸 Nicholas Monroe def. 🇺🇸 Sekou Bangoura / 🇨🇦 Frank Dancevic, 4–6, 6–3, [10–8]