Answer: tabletennis

AnswerCrossword Clue
TABLETENNIS

Olympic sport since 1988

TABLETENNIS

Game with a hollow ball

TABLETENNIS

Olympic sport with the smallest ball

TABLETENNIS
Activity suggested by the words hidden in the long Acrosses
TABLETENNIS
Game.
TABLETENNISSport played on the first word of its name
TABLETENNISGame to 11 points
TABLETENNISRec room game, perhaps
TABLETENNISPacked item that might make a racquet?
TABLETENNISPing-pong, by another name