The blue upside-down teardrop on the below map identifies the Club location at 2820 Erie Avenue.  Note:  use the arrows & plus/minus signs in the upper left corner to adjust your view of the map.  Or, click on "View Hyde Park Tennis Club in a larger map" to go to Google Maps. 

The Club is located on the north side of Erie Ave, accessible by a driveway running between an apartment building and a house.  You'll see a red-and-white sign for the Club atop a brick post at the street sidewalk.  See below satellite map of Club.   

View Hyde Park Tennis Club in a larger map