| Matches Involving FC Seoul |
| |
| 12 Apr 2009 | | (H) vs. Ulsan Horang-I | W | 2 - 1 | K-League |
| 19 Apr 2009 | | (A) vs. Busan I'Park | W | 0 - 4 | K-League |
| 26 Apr 2009 | | (H) vs. Daegu FC | W | 2 - 0 | K-League |
| 3 May 2009 | | (A) vs. Bucheon SK | D | 1 - 1 | K-League |
| 10 May 2009 | | (H) vs. Songnam | W | 1 - 0 | K-League |
| 17 May 2009 | | (A) vs. Suwon Bluewings | W | 2 - 3 | K-League |
| 14 Jun 2009 | | (H) vs. Daejon Citizen | W | 2 - 1 | K-League |
| 28 Jun 2009 | | (H) vs. Incheon United | W | 5 - 1 | K-League |
| 5 Jul 2009 | | (A) vs. Pohang Steelers | W | 1 - 3 | K-League |
| 12 Jul 2009 | | (H) vs. Chonbuk Motors | W | 4 - 2 | K-League |
| 19 Jul 2009 | | (A) vs. Gwangju Sangmu | W | 0 - 3 | K-League |
| 26 Jul 2009 | | (H) vs. Chunnam Dragons | W | 4 - 0 | K-League |
| 2 Aug 2009 | | (A) vs. Ulsan Horang-I | W | 0 - 2 | K-League |
| 9 Aug 2009 | | (H) vs. Busan I'Park | L | 0 - 2 | K-League |
| 16 Aug 2009 | | (A) vs. Daegu FC | W | 1 - 2 | K-League |
| 23 Aug 2009 | | (H) vs. Bucheon SK | W | 1 - 0 | K-League |
| 30 Aug 2009 | | (A) vs. Songnam | W | 1 - 2 | K-League |
| 6 Sep 2009 | | (H) vs. Suwon Bluewings | W | 1 - 0 | K-League |
| 4 Oct 2009 | | (A) vs. Daejon Citizen | W | 0 - 1 | K-League |
| 18 Oct 2009 | | (A) vs. Incheon United | D | 1 - 1 | K-League |
| 25 Oct 2009 | | (H) vs. Pohang Steelers | W | 4 - 0 | K-League |
| 1 Nov 2009 | | (A) vs. Chonbuk Motors | W | 0 - 1 | K-League |
| 8 Nov 2009 | | (H) vs. Gwangju Sangmu | W | 2 - 1 | K-League |
| 15 Nov 2009 | | (A) vs. Chunnam Dragons | L | 2 - 1 | K-League |
| 29 Nov 2009 | | (H) vs. Daejon Citizen | D | 3 - 3 | K-League Playoffs - Semi-Final |
| 16 Dec 2009 | | (A) vs. Ulsan Horang-I | W | 0 - 2 | K-League Playoffs - Final, Leg 1 |
| 20 Dec 2009 | | (H) vs. Ulsan Horang-I | | | K-League Playoffs - Final, Leg 2 |