| Unlockable: | How to Unlock: |
| Aloha Beach Tennis Court | Beat Ashley (aka Yelena) in Beginners Class |
| Grand Palais Indoor Court | Beat Kent (aka Ryu) and Will in Japan Class |
| Miyabi Tennis Grove | Beat Cody (aka Yuki) in Semi-pro Class |
| Nakagawa River Courts | Beat Jun and Ashley (aka Yelena) in Amateur Class |
| Queen's Tennis Garden | Beat Carol and Gloria in World Class |
| Temple of Olympia Court | Beat Momoko in Semi-pro Class |
| West Prairie Tennis Court | Beat Big Chief (Rock Bull) in Pro class |
| Wild Green Tennis Court | Beat Jun and JJ in Beginners Class |
| Unlockable: | How to Unlock: |
| Big Chief | Defeat Big Chief in challenge mode |
| Carol | Defeat Carol in challenge mode |
| Gloria | Defeat Gloria in challenge mode |
| JJ | Defeat JJ in challenge mode |
| Jun | Defeat Jun in challenge mode |
| Kaito | Defeat Kaito in challenge mode |
| Kent | Defeat Kent in challenge mode |
| Lola | Defeat Lola in challenge mode |
| Miranda | Defeat Miranda in challenge mode |
| Momoka | Defeat Momoka in challenge mode |
| Suzuki | Defeat Suzuki iin challenge mode |
| Will | Defeat Will in challenge mode |
