The i9 Sports Tennis Training Sessions at T4 Athletics in Katy are youth instructional classes designed to help kids learn and develop the fundamentals of tennis in a fun, supportive environment. Participants practice key skills such as basic strokes, footwork, coordination, and introductory gameplay through guided drills and activities led by trained coaches. The co-ed program is open to children ages 4–14 and focuses on building confidence, teamwork, and sportsmanship while learning the sport. Sessions are held indoors and run weekly over a four-week period.