The 2005 Tennis Channel Open was a men's tennis tournament held in Scottsdale, Arizona in the United States that was part of the ATP International Series of the 2005 ATP Tour.

It was the 18th edition of the tournament and was held from February 21 to February 28, 2005.

Unseeded Wayne Arthurs won the singles title.

Wayne Arthurs defeated Mario Ančić 7–5, 6–3 Bob Bryan / Mike Bryan defeated Wayne Arthurs / Paul Hanley 7–5, 6–4