The battle began with a Greek assault on the positions of Miralay (Colonel) İsmet Pasha's troops near the railway station of İnönü on January 9, 1921 and the fighting continued until dark.

Additionally Çerkes Ethem turned against the new central government in Ankara, refusing to join his forces with the regular army established under the command of İsmet İnönü.

[7] The better-equipped Greeks taking advantage of the fog pushed back the Turks around the railroad protected by the 11. division and took the dominant hill called Metristepe where fighting continued till 2pm.

[2] Ferik Fevzi Çakmak, following the recommendation of the commander of the Western Front Miralay İsmet İnönü, gave the order to pull back to Beşkardeşdağı-Zemzemiye-Oklubalı line and moved the headquarters to Çukurhisar.

The prestige gained in the aftermath of the battle helped revolutionaries to initiate a new round of negotiations with Soviet Russia which ended with the Treaty of Moscow on March 16, 1921.