Play against the same CPU character and give up three times consecutively.
Defeat the CPU under the Hard difficulty setting between one and ten times in Exhibition mode. Note: The God difficulty will only be available for that particular character, in singles and doubles.
SP costumes and accessories
Defeat the CPU under the God difficulty setting in Exhibition mode. Note: The SP items must be unlocked individually for each character.
Defeat Colin at World Television Studio, then talk to Producer Bando again. Play and win a match against him. You will get the Panda costume as a gift from the Fans.
Complete the indicated task to unlock the corresponding character.
- Gloria: Win all 75 storyline matches to get the invitation to the Love Tennis HQ. After you defeat Zeta (Gloria), you defeat all Story mode characters in each stage (75 matches). Gloria will call your character and challenge you in a match at the Love Tennis Club HQ in the last room. Defeat Gloria to unlock her.
- Helghast: Note: North American and European versions only. After Colin joins in Story mode, go back to the stage room and defeat him. He can also be used as an Umpire.
- Zeta (Norma): After the first ending in Story mode, go to the volcano site. Defeat every player until the final door. Play as Emi to enter, then defeat Norma.
- Suzuki: After Schneider joined the party in Story mode, return to his stage. Talk to Suzuki. Defeat him after he challenges you.
- Yakkun: Note: Japanese version only. After Brad joined the party in Story mode, return to his stage. and talk to Yakkun. Defeat him after he challenges you.
Complete the indicated task to unlock the corresponding court.
- Backstreet: After Bridget (Wendy) joins the party in Story mode, return to her stage. Talk to the enemies near the athletic field, then defeat them.
- Lake Garden: After Amorette (Rosetta) joins the party in Story mode, return to her stage. Talk to the driver of the limousine, then defeat him.
- Theme Park: After Troy (Tiger) joins the party in Story mode, return to his stage. Talk to the little girl near the entrance, then defeat her.