The Dynamo concentrated on fitness, attitude and chemistry during the first three weeks of preseason.
This week in Tucson, Ariz., they'll start to focus on the regular season opener against Atlanta United FC on March 3.
The Dynamo will spend the next two weeks at the Mobile Mini Sun Cup where they will play four games against MLS and USL clubs. The first game is 3 p.m. Wednesday against the Portland Timbers.
"We need to be sure that we not only complete our work in terms of fitness but also that we try to adjust all the pieces and all the tactical work to be sure we are ready to face the first game of the season against Atlanta United," Dynamo coach Wilmer Cabrera said.