《资治通鉴·梁纪·梁纪二十一》
丁未，北齐将领王球攻打宿预城，杜僧明带兵出击，大获全胜，王球只好退回彭城。
丁未，齐将王球攻宿预，杜僧明出击，大破之，球归彭城。
On dingwei, the Northern Qi general Wang Qiu attacked Suyu City, and Du Sengming led his troops to attack and won a great victory. Wang Qiu had to retreat to Pengcheng.