Ratings
2011-08-28: 17th Korean Championships(Korea)
| KIM Hyosuk | 25-39 | HA Seungsup |
| KIM Kyungjoong | 42-22 | KIM Hyosuk |
| KIM Hyosuk | 44-20 | LEE Geuncheol |
| OH Joungmok | 51-13 | KIM Hyosuk |
| KIM Wangnyeon | 25-39 | KIM Hyosuk |
2005-10-06: 3rd Korean Othello Open(Korea)
| KIM Seungsu | won against | KIM Hyosuk |
| LEE Kwangwook | won against | KIM Hyosuk |
| KIM Hyosuk | lost to | HONG Seonguk |
| KIM Hyosuk | lost to | OH Joungmok |
| KIM Kyungjoong | won against | KIM Hyosuk |