Unlock the following characters by performing the corresponding tasks:

Carmen - Win 35 times against the CPU in Tournament or Exhibition mode or win the All-Star Circuit.
Cassidy - Win 40 times against the CPU in Tournament or Exhibition mode or win the Rookie Circuit in under 14.5 minutes.
Juergen - Win 20 times against the CPU in Tournament or Exhibition mode or win the Amateur Circuit.
Jung Soo - Win 45 times against the CPU in Tournament or Exhibition mode or win the Rookie Circuit in under 14 minutes.
Kumi - Win 25 times against the CPU in Tournament or Exhibition mode or win the Rookie Circuit.
Mark - Win 50 times against the CPU in Tournament or Exhibition mode or win the Rookie Circuit in under 13.5 minutes.
Solayman - Win 30 times against the CPU in Tournament or Exhibition mode or win the Pro Circuit.

Unlock the following tables by performing the corresponding tasks:

Jesper's table - Win a match against the CPU with a soft shot.
Liu Ping's table - Win a match against the CPU with a soft shot.
Luc's table - Win a match against the CPU with a soft shot.
Solayman's tables - Win a match against the CPU with a focus shot.

Unlock the following character's shirts by performing the corresponding tasks:

Liu Ping's Fourth shirt - Win a match with a smash shot.
Liu Ping's Fifth shirt - Shutout the CPU.
Jesper's Third shirt - Win a match with a forehand shot.
Jesper's Fourth shirt - Win a match with after trailing by four points.
Jesper's Fifth shirt - Win a match with a slow shot.  

The Creampuff (5 points) - Win the Amateur Circuit under the default settings.
The Graduate (5 points) - Earn the highest score on every drill in Training mode.
The Noob (5 points) - Complete your first online match in any mode.
The Spectator (5 points) - Spectate an online match.
The Average Joe (10 points) - Win the Rookie Circuit under the default settings.
The Victor (10 points) - Get your first win in any online game mode.
The Competitor (20 points) - Win the Pro Circuit under the default settings.
The Natural (20 points) - Use every character to win any of the Tournament Circuits.
The Tourist (20 points) - Unlock all levels.
The Tailer (25 points) - Unlock all outfits.
The All-Star (30 points) - Win the All-Star Circuit under the default settings.
The Owner (30 points) - Unlock all characters.
The Collector (45 points) - Unlock all items.
The Net Veteran (60 points) - Accumulate over 10 hours of online game play.
The Veteran (60 points) - Accumulate over 10 hours of offline game play.
The Savant (80 points) - Win the All-Star Circuit with each character.
The Widowmaker (95 points) - Shutout opponents in over five non-consecutive games in Ranked online play.
The G.O.A.T. (100 points) - Get the highest TrueSkill rating possible in any Ranked online game mode.
The Hall of Famer (100 points) - Win over 50 (non-consecutive) Ranked Tournaments.
Unlocked Juergen (5 points) - Win the Amateur Circuit.
Unlocked Kumi (10 points) - Win the Rookie Circuit.
Unlocked Carmen (15 points) - Win the All-Star Circuit.
Unlocked Solayman (15 points) - Win the Pro Circuit.
Unlocked Cassidy (20 points) - Win the Rookie Circuit under the default settings in less than 14.5 minutes.
Unlocked Jung Soo (20 points) - Win the Rookie Circuit under the default settings in less than 14 minutes.
Unlocked Mark (20 points) - Win the Rookie Circuit under the default settings in less than 13.5 minutes.
3 Match Winning Streak (35 points) - Win three Ranked Exhibition matches in a row.
4 Match Winning Streak (50 points) - Win four Ranked Exhibition matches in a row.
5 Match Winning Streak (85 points) - Win five Ranked Exhibition matches in a row.