Photo by Flickr user wolfkann.

TENNIS: The Washington Kastles are back in action. Watch the team, featuring Bob and Mike Bryan, Martina Hingis, and Sam Querrey, compete against the Springfield Lasers. Kastles Stadium at the Smith Center (600 22nd Street NW) 7 p.m. $22+

KARAOKE: District Karaoke’s division winners and three wildcard teams compete for the title of “City-Wide Champions.” Penn Social (801 E St NW) 7-11 p.m.

PINBALL: Show off your pinball skills at the Replay Hangover Pinball Tournament. Register between 6-7:30 p.m. to participate in the four strike tournament. Black Cat-Red Room (1811 14th Street NW) 7:30 p.m. Free

Later this week…

TUESDAY: Grab your best toga and prepare yourself for “Terror in a Toga,” a Murder Mystery Dinner hosted by Via Umbria. Your ticket includes dinner, mystery, and a welcome cocktail. Via Umbria (1525 Wisconsin Avenue NW)
7-10 p.m. $35

WEDNESDAY: Learn to make Brazil’s national cocktail at this Caipirinha Mixology class. Ticket price includes two drinks and appetizers. Texas de Brazil (455 Massachusetts Avenue NW) 6:30-8:30 p.m. $30

THURSDAY: Pay-what-you-can to see Fear, “a comedy about performing Shakespeare.” The Callan Theatre – Catholic University Drama Complex (3801 Harewood Road NE) 7:30 p.m. PWYC; reserve tickets here.