Gotairo (Council of Five Elders) highly regarded the fine deeds of the Shimazu family, who defeated the Ming army and permitted the systematic retreat of its allies and assisted an escape of the Konishi army in the Battle of Noryang (they killed Korean Marine General Yi Sun-sin in the process) which occurred soon after, and the Shimazu family was the only one that was awarded with the estate among various daimyo that participated in the Bunroku-Keicho War.
島津家がこの泗川の戦いで明軍を撃退して味方の組織的な撤退を可能にしたこと、また直後の露梁海戦で小西軍の脱出を可能にした(その際に、朝鮮水軍大将李舜臣を討取った)という功績は五大老達から高く評価されており、島津家は文禄・慶長の役に参加した諸大名で唯一の加増に預かった。