Ratings
2007-08-26: 2nd Korean Othello Open 2007(Korea)
| SEO Jaeyeong | won against | SEO Seunghwan |
| SEO Seunghwan | won against | KIM Donghyo |
| CHO Yeoncha | lost to | SEO Seunghwan |
| KIM Kwanyoon | won against | SEO Seunghwan |
| SEO Seunghwan | won against | CHO Yinam |
| SEO Seunghwan | lost to | KIM Kwanyoon |