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] References Nielsen Pro Tennis Championship Nielsen Pro Tennis Championship Niel Nielsen Pro Tennis Championship Nielsen Pro Tennis Championship Nielsen Pro Tennis Championship