 The forces engaged at Shawan (沙苑, in modern Weinan, Shaanxi), after Gao rejected advice from his general Hulü Qiangju (斛律羌舉) to directly attack the Western Wei capital Chang'an.Despite Eastern Wei's numerical superiority, Yuwen's forces crushed Gao's forces, and Gao was forced to withdraw.In winter 537, the Western Wei general Dugu Xin captured the former Northern Wei capital Luoyang, and several other nearby provinces also surrendered to Western Wei.