Grass Court

Donkey Kong and Mario playing a singles match on the Grass Court.

The Grass Court is a tennis court from the Game Boy Advance game, Mario Tennis: Power Tour. This court is where the Island Open matches are held. After Clay and Ace play here, they move on to the Peach Tournament. It's a light green court with seats surrounding it. There are a numerous amount of seats due to the crowd at the Island Open.

Mario Power Tennis

Clay and Ace playing Dweezil and Mynx in a doubles match.

In Mario Power Tennis, when playing on this court, it is mentioned that the tennis ball travels fast, but the bounces are weak.

Mario Tennis (Game Boy Color)
Default Characters	Luigi • Baby Mario • Donkey Kong • Allie • Joy • Brian • Alex • Harry • Nina • Kate
Unlockable Characters	Mario • Peach • Yoshi • Wario • Waluigi • Bowser • Pam • Bob • Beth • Fay • Curt • Mark • Sammi • Sean • Spike • Elden • Emily • A. Coz • B. Coz
Non-Playable Characters	Daisy • Boo • Toad • Bob-omb • Great Fairy of Victory • Birdo • Koopa Paratroopa • Donkey Kong Jr. • Shy Guy • Kevin • Frank • Ellis • Edgar • Headmaster
Courts	Hard Court • Clay Court • Grass Court • Composition Court • Castle Court • Tropics Court • Jungle Court • Star Court • Warehouse Court
Minigames	Luigi Shooting Stars • Baby Mario Target Shot • Donkey Kong Banana Bunch • Mario Boo Blast • Peach Perfect Shot • Yoshi Fruit Factory • Wario Treasure Box • Waluigi Medallion Match • Bowser Two-on-One

Mario Tennis: Power Tour
Default Characters	Mario • Peach • Luigi • Waluigi • Donkey Kong • Bowser • Clay • Ace
Unlockable Characters	Sophia • Meg • Mason • Chad • Sasha • Sylvia • Chris • Kyle • Shawn • Linda • Gary • Jet • Kyoko • Micki • Emi • Roy • Flit • Skipper • Whisker • Paula • Elroy • Tori • Barb • Sass • Chas • Mel • Dweezil • Mynx • Willy • Sheri
Non-Playable Characters	Leon • Peter • Oscar • Chet • Alex • Harry • Nina • Kate • Mark • Emily • Kevin • A. Coz • B. Coz • Headmaster • Great Fairy of Victory • Toad • Toadsworth • Pianta • Noki
Courts	Hard Court • Clay Court • Grass Court • Composition Court • Peach Dome
Locations	Royal Tennis Academy • Island Open • Empire • Factory • Union • Tennis Academy Restaurant • Tennis Academy Training Center • Mario World
Minigames	Bicep Pump • Duck Walk • Instinct Drill • Jump Gym • Reflex Rally • Rope Climb • Swift Spin • Tacklebot • Tennis Machine • Tightrope • Treadmill • Wall Practice
Offensive Power Shots	Iron Hammer • Super Peach Spin • Squeaky Mallet • Whirluigi • Barrel Cannon Blast • Fire Breath • Curve Shot • Power Shot • Slider Shot • Tackle Shot • High-Power Shot • Blizzard Shot • Control Shot • Flying Shot • Stunner Shot • Flashflop Shot • Summoner Shot • Gyro Shot • Dragon Shot • Sonic Shot • Specter Shot • Volcano Shot
Defensive Power Shots	Spin Jump Return • Sweet Kiss Return • Poltergust Return • Swimming Return • Boomerang Banana Return • Spinning Shell Dash • Quick Save • Running Save • High-jump Save • Typhoon Save • Bubble Save • Quick-Step Save • Superswift Save • Hand-Power Save • Bubble Save • Illusory Save • Spider Save • Falcon-Dive Save • Shark-Bite Save • Shooting-Star Save • Rainbow Save