An Sungjoon
Follow
434
Games
50%
Win rate
1
Titles
9–9
2009 Record
50.0%
Win Rate
18
Games
4W
Best Streak
As Black: 5/6 (83%)
As White: 4/12 (33%)
Key rivalries
Shin Jinseo
0–16
Kang Dongyun
5–9
Park Junghwan
4–10
Byun Sangil
6–6
Choi Cheolhan
4–8
Shin Minjun
5–6
Tournaments
Korean Baduk League
6W–5L
11 games
2009-10-24
Myeongin #37
Out
2W–3L
5 games
2009-10-22
A League
37th Korean Myeongin
1W–0L
1 game
2009-06-30
preliminary
KBS Baduk King
Out
0W–1L
1 game
2009-05-04
Winners' Section, Round 1
Key Opponents in 2009
| Opponent | Games | Record | Split |
|---|---|---|---|
| Hong Seong-chi 🇰🇷 | 2 | 2–0 | |
| Kim Hyeong-u 🇰🇷 | 2 | 1–1 | |
| Pak Cheong-sang 🇰🇷 | 1 | 1–0 | |
| Kang Dongyun 🇰🇷 | 1 | 0–1 | |
| An Cho-yeong 🇰🇷 | 1 | 1–0 | |
| Yun Seong-hyeon 🇰🇷 | 1 | 0–1 | |
| Kim Chu-ho 🇰🇷 | 1 | 0–1 | |
| Kim Jiseok 🇰🇷 | 1 | 1–0 | |
| Kim Seung-chae 🇰🇷 | 1 | 0–1 | |
| Yi Weon-to 🇰🇷 | 1 | 0–1 |
Games
| Date | Opponent | Color | Result | Event | Round |
|---|---|---|---|---|---|
| 2009-10-24 | Pak Cheong-sang | B | B+R | Korean Baduk League | |
| 2009-10-22 | Kang Dongyun | W | B+R | Myeongin | A League |
| 2009-10-10 | An Cho-yeong | W | W+0.5 | Korean Baduk League | |
| 2009-10-08 | Hong Seong-chi | B | B+2.5 | Myeongin | A League |
| 2009-10-02 | Yun Seong-hyeon | W | B+R | Korean Baduk League | |
| 2009-09-24 | Kim Chu-ho | W | B+R | Korean Baduk League | |
| 2009-09-08 | Kim Jiseok | B | B+R | Myeongin | A League |
| 2009-08-28 | Kim Hyeong-u | W | B+R | Korean Baduk League | |
| 2009-08-18 | Kim Seung-chae | W | B+2.5 | Myeongin | A League |
| 2009-08-02 | Yi Weon-to | W | B+5.5 | Korean Baduk League | |
| 2009-07-28 | Seo Keon-u | W | B+R | Myeongin | A League |
| 2009-07-18 | Cho Han-seung | W | W+0.5 | Korean Baduk League | |
| 2009-07-09 | Paek Hong-seok | W | B+R | Korean Baduk League | |
| 2009-07-03 | Hong Seong-chi | B | B+R | Korean Baduk League | |
| 2009-06-30 | Park Junghwan | B | B+R | 37th Korean Myeongin | preliminary |
| 2009-06-18 | Hong Min-p'yo | W | W+R | Korean Baduk League | |
| 2009-05-29 | Kim Hyeong-u | W | W+3.5 | Korean Baduk League | |
| 2009-05-04 | Cho Hunhyun | B | W+R | KBS Baduk King | Winners' Section, Round 1 |