Island Open
This section is under construction. Therefore, please excuse its informal appearance while it is being worked on. We hope to have it completed as soon as possible.
The Island Open is the big tournament in Mario Tennis and Mario Tennis: Power Tour. The tournament itself is divided into singles and doubles tournaments between the Academy, the Union, the Empire, and the Factory. In the Game Boy Color game, the amount of students from each school was uneven, but that was changed in the Game Boy Advance game.
Game Boy Color
Each match is 5 sets and 6 games long. Unseeded players must start in round one while seeded players are given bye to round two.
Singles
In singles, the player will battle in order: Sammi, Spike, Emily, and lastly A. Coz.
| Singles | |||||
|---|---|---|---|---|---|
|
School | Seed No. | Character | Result | 
|
| Academy | |||||
| -- | Alex/Nina | Winner | |||
| 2 | Emily | Lost the semifinal to Alex/Nina. | |||
| 1 | Kevin | Third place. Lost the semifinal to A. Coz. | |||
| 3 | Mark | Lost round two to A. Coz. | |||
| Union | |||||
| -- | Sammi | Lost round one to Alex/Nina. | |||
| -- | Sean | Lost round one to Frank. | |||
| Empire | |||||
| -- | Elden | Lost round one to A. Coz. | |||
| -- | Ellis | Lost round one to B. Coz. | |||
| 4 | Spike | Lost round two to Alex/Nina. | |||
| Factory | |||||
| -- | A. Coz | Runner-up. Lost the final to Alex/Nina. | |||
| -- | B. Coz | Lost round two to Emily. | |||
| -- | Frank | Lost round two to Kevin. | |||
Doubles
In doubles, the player's team will battle in order: Sammi and Sean, Spike and Elden, and lastly A. Coz and B. Coz.
| Doubles | |||||
|---|---|---|---|---|---|
|
School | Seed No. | Team | Result | 
|
| Academy | |||||
| -- | Alex/Nina and Harry/Kate | Winners | |||
| 1 | Kevin and Emily | Lost the semifinal to A. Coz. and B. Coz. | |||
| Union | |||||
| -- | Sammi and Sean | Lost round one to Alex/Nina and Harry/Kate. | |||
| Empire | |||||
| -- | Ellis and Edgar | Lost round one to A. Coz. and B. Coz. | |||
| 2 | Spike and Elden | Lost the semifinal to Alex/Nina and Harry/Kate. | |||
| Factory | |||||
| -- | A. Coz and B. Coz | Runners-up. Lost the final to Alex/Nina and Harry/Kate. | |||
Game Boy Advance
Singles
Academy
Union
Empire
Factory
Doubles
Academy
- Clay and Ace
- Elroy and Tori
Union
- Chas and Mel
- Leon and Peter
Empire
- Dweezil and Mynx
- Barb and Oscar
Factory
- Sass and Chet
- Willy and Sheri
