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XBox - Tennis Masters cheats

Giant tennis ball
Go with Wisler and when the ball comes to you press the A, X, black, white 
buttons on your controller to get a big tennis ball in your next game.

Easy points:
Get really close to the net and aim the ball downwards after having a rally 
to get points easily. Most of the time your opponent will miss.

Dropshot:
Hold down while pressing X to do a dropshot. Practice that for a while... 

Return ace every time
When you have the dropshot down practice doing the dropshot off of 
somebody's serve.

When you have that down pat you need to practice your angle dropshot you do 
that by pointing the directional stick to the bottom left or bottom right

Practice that for a longer amount of time.

When you have that down pat do it against somebody's serve hit the directional 
dropshot to the side that your opponet is on and the will hit it in the net 
or lob it for you to put away every time.