Battle in the Red Zone!! is the 231st chapter of the Dragon Ball manga.
The cover of this chapter shows an injured Goku.
Vegeta is shown to be angered at the fact that Goku's power has surpassed his own. Having enough of it, Vegeta decides to destroy the planet with his Galick Gun technique. However, Goku manages to counter the blast with his own and overpowers Vegeta seemingly defeating the Saiyan.