Kristen Mueller’s NCAA Division I tennis experience has been paying off. Brad Emdur’s ping pong experience has beenearning dividendsas well. The 31-year-old dietician and 29-year-old casino worker have been playing alongside each other for only about eight months, but they’ve developed into a powerful duo on the pickleball court.

“I like the strategy of pickleball, especially in doubles,” said Emdur, of Cherry Hill, who along with Mueller snagged the Mixed Doubles 4.0 title of the LBI Pickleball…