2009 Nielsen Pro Tennis Championship

The 2009 Nielsen Pro Tennis Championship was a professional tennis tournament played on outdoor hard courts. It was the 18th edition of the tournament which was part of the 2009 ATP Challenger Tour. It took place in Winnetka, Illinois, between 29 June and 5 July 2009.

Seeds

 * Rankings are as of June 22, 2009.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Alex Bogomolov Jr.
 * 🇦🇺 Samuel Groth
 * 🇺🇸 Dennis Nevolo
 * 🇺🇸 Phillip Simmonds

The following players received entry from the qualifying draw:
 * 🇲🇽 Juan-Manuel Elizondo
 * 🇳🇿 G.D. Jones
 * 🇺🇸 Alex Kuznetsov
 * 🇺🇸 Tim Smyczek

Singles
🇺🇸 Alex Kuznetsov def. 🇺🇸 Tim Smyczek, 6–4, 7–6(1)

Doubles
🇦🇺 Carsten Ball / 🇺🇸 Travis Rettenmaier def. 🇺🇸 Brett Joelson / 🇺🇸 Ryan Sweeting, 6–1, 6–2