Caroline Wozniacki is a long-time NBA fan.

The former No. 1 has formed a closer connection to the sport.

Watch: Wozniacki Shines in SI Swimsuit Issue

The 26-year-old Wozniacki is dating dating David Lee, a 6-foot-9 forward for the NBA's San Antonio Spurs, her brother, Patrick Wozniacki, confirmed to Danish publication Ekstra Bladet.

The Danish Olympic flag bearer. was once engaged to golfer Rory McIlroy.  Her brother Patrick Wozniacki called Lee "a very clever guy, also considerate."

"It's quite new to me," Patrick Wozniacki told Ekstra Bladet. "I think it's really good.

"He's a clever guy, also considerate... And he is obviously very athletic as a professional basketball player."

The 33-year-old Lee was a former first-round draft choice of the New York Knicks. He's also played for the Golden State Warriors, Boston Celtics and Dallas Mavericks.

Photo credit: Emmanuelle Hauguel/Sports Illustrated