"Draw" (相子, Aiko) is chapter 624 of the original Naruto manga.
Summary
Butsuma Senju and Tajima Uchiha had a same idea about setting a trap.The battle with Izuna Uchiha and Tobirama Senju is started.
In that moment Hashirama Senju and Madara Uchiha enter in a battle. Madara and Hashirama stopped the fight between they brothers.
Battle between Tobirama and Izuna
Because of them the battle is over.Madara is sad because Hashirama is Senju and he realize that they can not be friends. Madara tells Hashirama that they will meet each other in battle. Before the end of the battle Madara gets his first Sharingan.
Madara's first sharingan
They fought every day since that day. Uchiha Madara became a leader of the Uchiha Clan and Hashirama becomes a leader of Senju Clan. In the war between Uchiha clan and Senju clan Tobirama wounds Izuna . Izuna after early gains and dies and leaves his mangekyo sharingan to Madara. Madara summons his Sussano and he fought with Hadshirama. Hasirama won in the fight against Madara. Madara lays on the ground helpless. Tobirama wants to kill Madara but Hashirama stops him and he ordered him to not lay finger on Madara . Hashirama tells Madara that they can still be friends and create a perfect village together. Madara explains that he has no more brothers in his clan. Hashirama asks him what he can do to make Uchiha and Senju become one village . Madara says that he will accept if he kill Tobirama or himself.