In 1683 Galdan's armies reached Tashkent and the Syr Darya and crushed two armies of the Kazakhs. After that Galdan subjugated the Black Khirgizs and ravaged the Fergana Valley. From 1685 Galdan's forces aggressively pushed the Kazakhs. While his general Rabtan took Taraz, and his main force forced the Kazakhs to migrate westwards.Michael Khodarkovsky – Where Two Worlds Met: The Russian State and the Kalmyk Nomads, 1600–1771, p.211 In 1687, he besieged the City of Turkistan. Under the leadership of Abul Khair Khan, the Kazakhs won major victories over the Dzungars at the Bulanty River in 1726, and at the Battle of Anrakay in 1729.
