One Day Girls Softball Tournaments at Michigan Sports Dome in Auburn, MI. Youth Softball Open Divisions 8U,9U,10U,11U,12U,13U,14U,15U,16U,17U,18U. Friday 6pm-Finish Saturday And Sunday All Day with some evening games Mid-Michigan’s very own world-class, indoor recreational facility. The 73,500 square foot dome offers state-of-the-art turf fields for field sports such as soccer, football, softball, baseball, and more. The facility features rentable meeting space and accommodations for events and parties. Central to our mission is a strong sense of local community and the celebration of competitive sports. This facility is dedicated to building strong relationships with all the surrounding communities and to people of every age. Michigan Sports Dome is a gathering place for all to experience the joys of sports. The 19-acre property in Auburn, MI is centrally located in the tri-cities with easy access from US-10.