2009 Natomas Men's Professional Tennis Tournament

The 2009 Natomas Men's Professional Tennis Tournament was a professional tennis tournament played on outdoor hard courts. It was the fifth edition of the tournament which was part of the 2009 ATP Challenger Tour. It took place in Sacramento, California, United States between 5 and 11 October 2009.

Seeds

 * Rankings are as of September 28, 2009.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇺🇸 Alexander Domijan
 * 🇬🇧 Daniel Evans
 * 🇺🇸 Jan-Michael Gambill
 * 🇺🇸 Ryan Harrison

The following player received a Special Exempt into the singles main draw:
 * 🇩🇪 Andre Begemann

The following players received entry from the qualifying draw:
 * Treat Conrad Huey
 * Raven Klaasen (as a Lucky loser)
 * Cecil Mamiit
 * 🇮🇪 Louk Sorensen
 * Izak van der Merwe

Singles
🇨🇴 Santiago Giraldo def. 🇺🇸 Jesse Levine, 7–6(4), 6–1

Doubles
🇺🇸 Lester Cook / 🇺🇸 David Martin def. 🇲🇽 Santiago González / 🇺🇸 Travis Rettenmaier, 4–6, 6–3, [10–5]