How do you get into the charity events on virtua tennis 2009?

Answer 1

You need to be wearing a piece of fancy dress equipment for example i wear the superhero headgear, you usually unlock the fancy dress equipment by completing 3 or more stages of one of the mini games.

Answer 2

You need to play and succeed in the mini games to be able to unlock clothing items from the store. I completed the first two levels in each game to unlock the pirate boots.