The Battle of the Kondurcha River was the first major battle of the Tokhtamysh–Timur war. It took place at the Kondurcha River, in the Bulgar Ulus of the Golden Horde, in what today is Samara Oblast in Russia. Tokhtamysh's cavalry tried to encircle Timur's army from the flanks. However, the Central Asian army withstood the assault, after which its sudden frontal attack put the Horde troops to flight. However, many of the Golden Horde troops escaped to fight again at Terek.