1. The battle of Okpo
2. The battle of Habpo
3. The battle of Jeokjinpo
4. The battle of Sacheonpo
5. The battle of Dangpo
6. The first battle of Danghangpo
7. The battle of Yulpo
8. The battle of Hansando
9. The battle of Angolpo
10. The battle of Jangrimpo
11. The battle of Busanpo
12. Thesecond battle of Danghangpo
13. The battle of Myeongryang
14. The battle of Norayng

4. The Battle of Sacheonpo (May 29, 1592)
  Joseon fleet Japanese fleet
Commander Admiral Yi sun-shin, Won gyun Unknown
Strength 26 panokships and 20 small vessels 13 ships
Casualties and losses None 13 ships destroyed

His fleet maneuvered formation and trained themselves until May 27. Admiral Yi discussed next tactics with his subordinate officers and decided to combine his fleet with Jeolla eastern fleet. He sent message and was supposed to meet them on June 3. On May 27, Won gyun sent message that his fleet was under attack of Japanese, he had to leave before Jeolla eastern fleet joined his fleet on May 29.

After Won gyun’s fleet joined his fleet, they chased one Japanese warship and found more ships which were anchoring in Sacheon port. Admiral Yi ordered to make the formation, Jansajin, which ships station a line north-to-south and tried to reach this port, because the sea off port was shallow and the tide was ebbing. He tried to entice Japanese from the port, but about 200 Japanese counterattacked by matchlock in the port. Opportunely, tide changed and his fleet could reach port. He employed Geobukseon at this battle for the first time. Geobukseon led fleet and rushed to Japanese. Soon, Japanese abandoned ships and fled to the land. His fleet destroyed all ships. Admiral Yi was wounded his left shoulder by matchlock.