"Hi, I'm Mark, the founder of Tennisopolis, the world's largest and most active tennis network. Please share Tennisopolis with your friends by supporting our Facebook page. Click here for a Guide to Meet Tennis Partners. Have a look at our…"
"Would you be interested in playing at the Columbia University indoor courts on weekday evenings or weekends? I am a summer member there, and the court fee for guests is just $10 if you'd like to play.