It happened around 5:10 p.m. on the 3900 block of Olive Street.
Police say a 19-year-old man was shot several times to his body. He was transported to an area hospital where he later died.
Man dies after being shot on basketball court in Philadelphia: Police
Witnesses were unsure if the victim was watching or playing the game.
No arrests have been made.
Anyone with any information is asked to call police at 215-686-TIPS.