Use this list of unlockables to get the corresponding result:
Obi-Wan's Mission One: Pursuit Of The Seperitists bonus mission: complete Obi-Wan's Utapau Control Center on any difficulty setting
Obi-Wan's Mission Three: Escape From Utapau bonus mission: complete Obi-Wan's Jedi Temple Entrance on any difficulty setting
Anakin's Starfighter: defeat the Anakin Skywalker bot
Darth Vader's TIE Fighter: defeat the Darth Vader bot on the default settings
General Grevious's Starfighter: defeat the General Grievous bot
Millennium Falcon: defeat the Han Solo bot
Slave I: defeat the Jango Fett bot
X-Wing: defeat the Luke Skywalker
Master mode for Anakin: defeat Obi-Wan on any difficulty setting
Master mode for Obi-Wan: defeat Anakin on any difficulty setting