CATS is a coed doubles league that offers fun both on and off the courts with year-round tennis and social events.

CATS members play indoors at Lakeshore Sport & Fitness on Wednesday nights from 9-11 PM in Fall, Winter/Spring and Summer Sessions. Teams are divided into C, B, A and Open Levels so players of most skill levels can find a fit. Social events include tennis round-robins and outings to professional sports events.


Oak Park Tennis Party, Sunday, July 14: Don’t miss CATS’ annual visit to Oak Park’s clay courts for round robins, followed by barbecue. See the flier for details.

Fall Kick-Off Tennis Party at Lakeshore, Saturday, September 21: Save the date, details TBA

Open House/Try-out Night, Wednesday, November 6: Invite your friends to see what CATS is about…details TBA

Holiday Tennis Party at Lakeshore, Saturday, December 7: Save the date, details TBA


Name Change: Chicago Advertising Tennis Society will be known as Chicago Area Tennis Society as of September 1, 2019, the beginning of the next CATS year. See more.

Making up January 30: CATS was cancelled on 1/30/19 because of the frigid weather. The Winter Session will be extended one night to include May 29 to make up the games that would have been played that night. Expect more information from your team captain or division coordinator.

Members-only section: This area of the website includes the member directory, division schedules, team lists and sub lists for each division, the prize list and more. Click the link in the menu above and sign up to get access. If you forget your password, click here for instructions on how to reset it.

CATS Accepts Payments with Zelle: Using this free service, you can make payments from the web or your mobile device in seconds. See how.

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