2012 Nielsen Pro Tennis Championship
The 2012 Nielsen Pro Tennis Championship was a professional tennis tournament played on hard courts. It was the 21st edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Winnetka, Illinois, between 2 and 8 July 2012. Singles main-draw entrants. Other entrants. The following players received wildcards into the singles main draw: The following players received entry as an alternate into the singles main draw: The following players received entry from the qualifying draw: