| Joueur Noir | Joueur Blanc | Résultat | Date |
|---|---|---|---|
| Yang Chae-ho | Yu Ch'ang-hyeok | W+R | 1987-07-03 |
| Yu Ch'ang-hyeok | Seo Pong-su | W+2.5 | 1987-10-04 |
| Yang Chae-ho | Yu Ch'ang-hyeok | W+R | 1987-10-10 |
| Seo Neung-uk | Yu Ch'ang-hyeok | B+11.5 {moves beyond 235 not known} | 1987-12-17 |
| Yu Ch'ang-hyeok | Seo Pong-su | W+R | 1988-01-14 |