The R button refers to the right shoulder button of the Wii U GamePad, Nintendo 64 GameCube, Classic, and Wii U Pro Controllers. Its purpose in Super Smash Bros. is to grab opponents. It is used in Melee and Brawl for defense techniques, such as shielding, rolling, air dodging in midair, and sidestep dodging, which is shared with the L button.
| Controllers and buttons | |
|---|---|
| Nintendo 64 controller |         
|
| GameCube controller |           
|
| Wii Remote (and Nunchuk) |           
|
| Classic Controller | LR       
|
| Nintendo 3DS |            
|
| Wii U GamePad / Pro Controller | L R           
|
| Joy-Con |                
|
| Switch Pro Controller | LR
|
| Third-party controllers | Hori Mini Pad · Arcade controller · Keyboard |
| Other | Smash Controller · Controller modification |