Though canines love tennis for its bouncy yellow balls, humans appreciate the freedom to bark loudly with each swing and bury their favorite rackets all over the court. Become a tennis beast with today’s Groupon: for $13, you get two 60-minute introductory adult group tennis lessons at Perrysburg Tennis Center (a $26 value). Groupon buyers can either participate in two separate lessons on their own or snag a friend to play with for one session, and they must call by January 15, 2012 to schedule their lessons, which take place on the following days and times:

• Tuesdays from 11:30 a.m. to 12:30 p.m. through March 27
• Tuesdays from 7 p.m. to 8 p.m. through March 27
• Wednesdays from 12:00 p.m. to 1 p.m. through March 28
• Thursdays from 4 p.m. to 5 p.m. through March 23
• Thursdays from 5 p.m. to 6 p.m. through March 23
• Fridays from 5:30 p.m. to 6:30 p.m. through January 27
• Sundays from 1 p.m. to 2 p.m. through March 25<p>

Perrysburg Tennis Center’s experienced instructors teach adults to serve and volley on indoor and outdoor USTA-certified courts. During 60-mintue group introductory lessons, up to five racketeers will learn such tennis basics as smashing a forehand, scoring a game properly, and serving while their opponents are in the bathroom. Players hustle across one of the center’s 16 tennis courts, which include eight US Open blue indoor arenas, four outdoor hard courts, and four outdoor Har-Tru HydroCourt clay grounds outfitted with underground water systems to help them keep cool. Visitors can head to the indoor court’s second-floor mezzanine for a clear view of players batting orbs across courts the way kittens bat balls of yarn across the internet.