profile_en
 | DONG SIK YOON COUNTRY : Republic of Korea *BOUT RESULTS* |
| 23 | Sep. | 2008 | DREAM.6 | L | ANDREWS NAKAHARA | 2R TKO | MMA |
| 15 | Jun. | 2008 | DREAM.4 | L | GEGARD MOUSASI | 2R Decision | MMA |
| 29 | Apr. | 2008 | DREAM.2 | W | SHUNGO OYAMA | Decision | MMA |
| 28 | Oct. | 2007 | OLYMPIA HERO'S KOREA 2007 | W | FABIO SILVA | 1R Armbar | MMA |
| 17 | Sep. | 2007 | HERO'S Middle Weight World Championship Tournament FINAL | W | ZELG BENKEI GALESIC | 1R Armbar | Super Fight / MMA |
| 02 | Jun. | 2007 | Dynamite!! USA | W | MELVIN MANHOEF | 2R ArmBar | MMA |