Here is the full list of all 13 Hot Shots Tennis trophies - there are 9 bronze, 3 silver and 1 gold.
Have a Service Game Wins percentage over 50 with over 100 matches played.
Complete all of Challenge Mode.
Earn an "A" grade in every training drill.
Unlock every umpire.
Unlock every court.
Win a World Class match without losing a game.
Unlock every playable character.
Reach the maximum level of any training drill.
Return a serve that was at least 100 mph (161 km/h).
Win a Semi-Pro Class match without losing a game.
Win a match with at least two service breaks.
Earn your first win in Challenge Mode.
Win a rally over 10 hits long.