ITTF例句

Double Happiness Super Standard Ball standard of ITTF for any match.
红双喜超级三星乒乓球国际乒联(ITTF)特准之比赛用球.

ITTF stands for International Table Tennis Federation.
ITTF是国际乒乓球联合会的简称.

What does ITTF stand for?
ITTF表示什么?