Emperor Gaozu of Han
Battle of Jingsuo

After the disastrous defeat at Pengcheng, the strength of the Han forces decreased drastically. Many of the kings who had surrendered to Liu Bang earlier had also defected to Xiang Yu's side. Moreover, the states of Qi and Zhao, which were previously at war with Chu, also requested to make peace.

Upon reaching Xiayi (下邑; east of present-day Dangshan County, Suzhou, Anhui), which was defended by his brother-in-law, Liu Bang reorganised his troops for a retreat. When he arrived at Yu (present-day Yucheng County, Shangqiu, Henan), he sent an envoy to meet Ying Bu, the King of Jiujiang, to appeal for support. Ying Bu, who held a grudge over Xiang Yu's unfair enfeoffment over the Eighteen Kingdoms, agreed to join Liu Bang and rebelled against Western Chu. Xiang Yu responded by sending Long Ju to attack Ying Bu.

In 205 BC, Liu Bang named his son Liu Ying as his crown prince and ordered him to defend Yueyang. Shortly after, Han forces conquered Feiqiu (廢丘; present-day Xingping, Shaanxi), which was guarded by Zhang Han, who committed suicide after his defeat. On another front, Ying Bu was unable to defeat Long Ju so he gave up on Jiujiang and went to join Liu Bang. Liu Bang reorganised his army, which now included reinforcements from Guanzhong sent by Xiao He alongside Han Xin 's troops, and attacked Chu at Jing County (京縣; around present-day Xingyang, Zhengzhou, Henan) and Suoting (亭; near present-day Xingyang, Henan). He emerged victorious, and drove Xiang Yu's forces east of Xingyang.
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