Naruto vs. Sasuke!! (ナルトvsサスケ!!, Naruto Bāsasu Sasuke!!) is chapter 175 of the Naruto manga.
Over Sakura's objections, Naruto and Sasuke head to the hospital roof to fight. Regarding the battle casually, Naruto asks Sasuke to put on his Konohaforehead protector. Sasuke refuses since that would mean that they are equals, upsetting Naruto for not acknowledging himself as Konoha ninja. Naruto surrounds Sasuke with shadow clones, which Sasuke destroys with his Fire Release: Great Fireball Technique. As the smoke clears Sasuke sees that one clone has survived and is helping Naruto form the Rasengan. He uses his own Chidori and they charge at each other. Sakura screams for them to stop,but they never stop until kakashi sensei had arrived and stop them, narutos rasengan and sasukes chidori are both attacked the drum full of water, narutos rasengan have a small damage to the drum while sasuke have a very large damage, but when sasukes retreat he'd see that the back of the drum of the naruto which he attacked with rasengean is truly broken and make very large damage.Then he scared of the teqhnique naruto's uses.