- Source: 2010 Nielsen Pro Tennis Championship
- 2010 Nielsen Pro Tennis Championship
- 2010 Nielsen Pro Tennis Championship – Singles
- 2010 Nielsen Pro Tennis Championship – Doubles
- 2011 Nielsen Pro Tennis Championship – Singles
- Nielsen Pro Tennis Championship
- 2009 Nielsen Pro Tennis Championship – Doubles
- 2011 Nielsen Pro Tennis Championship – Doubles
- 2009 Nielsen Pro Tennis Championship – Singles
- 2011 Nielsen Pro Tennis Championship
- 2009 Nielsen Pro Tennis Championship
The 2010 Nielsen Pro Tennis Championship was a professional tennis tournament played on outdoor hard courts. It was the 19th edition of the tournament which was part of the 2010 ATP Challenger Tour. It took place in Winnetka, Illinois, between 28 June and 4 July 2010.
ATP entrants
= Seeds
=Rankings are as of June 21, 2010.
= Other entrants
=The following players received wildcards into the singles main draw:
John Paul Fruttero
Ryan Harrison
Austin Krajicek
Simon Stadler
The following players received entry as alternative:
Noam Okun
Donald Young
The following players received entry from the qualifying draw:
Pierre-Ludovic Duclos
Milos Raonic
Artem Sitak
Fritz Wolmarans
Champions
= Singles
=Brian Dabul def. Tim Smyczek, 6–1, 1–6, 6–1
= Doubles
=Ryler DeHeart / Pierre-Ludovic Duclos def. Rik de Voest / Somdev Devvarman, 7–6(4), 4–6, [10–8]