Win the indicated match to unlock the corresponding court:
- Aloha Beach Tennis Court: Defeat Ashley (Yelena) in Beginners class.
- Grand Palais Indoor Court: Defeat Kent (Ryu) and Will in Japan class.
- Miyabi Tennis Grove: Defeat Cody (Yuki) in Semi-Pro class.
- Nakagawa River Courts: Defeat Jun and Ashley (Yelena) in Amateur class.
- Queen's Tennis Garden: Defeat Carol and Gloria in World class.
- Temple of Olympia Court: Defeat Momoko in Semi-pro class.
- West Prairie Tennis Court: Defeat Big Chief (Rock Bull) in Pro class.
- Wild Green Tennis Court: Defeat Jun and JJ in Beginners class.
Defeat the listed character in Challenge mode to unlock him or her as a playable character in Singles mode:
- Big Chief
Win the indicated match to unlock the corresponding umpire:
- Anna: Defeat Big Chief (Rock Bull) and Kent (aka Ryu) in World class.
- Kaori: Defeat Kaito and Momoko in Semi-Pro class.
- Robot Tennis: Defeat Suzuki and Big Chief (Rock Bull) in Pro class.
- Suzuki: Defeat Cody (Yuki) in Beginners class.