Virtua Tennis 3 Codes -

Glasses
Play in all tournaments.

Sunglasses
Play for 30 hours.

Fruit Shirt
Complete level 6 in the Avalanche mini-game.

New outfit
Become Rookie Of The Year.

New tennis rackets
Complete one of the indicated tasks to unlock a new tennis racket.

Hit ten max serves in World Tour mode. 
Hit 10 smashes. 
Hit 10 max serves. 
Hit 50 max serves. 
Hit 100 max serves. 
Get 10 medals in Beginner Class. 
Win 10 points using a drop-shot. 
Win 10 points using a lob. 
Play for 10 hours. 
Play for 20 hours. 

New Shoes
Complete one of the indicated tasks to unlock a new set of shoes.

Turn Pro, then run over 5km on the court. 
Win 20 medals. 
Win 30 medals. 
Run a total of 25 km. 
Run a total of 50 km. 

Frying Pan Racket
Get a Turkey in the Pin Crusher Challenge.

Wristband
Win a tournament in World Tour mode.

Normal Class
Get ten medals in the Tennis Academy in World Tour mode to be promoted from Beginner Class to Normal Class.

Play against King
Complete Tournament mode then, start Tournament mode again, Earn over $7 million to face King in stage 6.