✔ 最佳答案
FOR HONG KONG AIRPORT
First of all, your racket is not in the restricted items list. So there is no reason why they are not allow you put in hand carry.
Here is the link to look at. 網球拍 is not in the list.
http://www.cad.gov.hk/english/for_travellers.html
And one of the answer, said 大鬧櫃台. please don't try. If the item is restricted. They are not allows to offer the permit to you.