| Score | +/- | Tävling | År | Tour | Bana | Par | Lista |
| 65 | -7 | Thailand Open | 2004 | Asian Tour | Royal Thai Air Force Club | 72 | Lista |
| 66 | -6 | Maekyung LG Fashion Open | 2000 | Asian Tour | Nam Seoul | 72 | Lista |
| 66 | -6 | Maekyung LG Fashion Open | 2001 | Asian Tour | Nam Seoul | 72 | Lista |
| 67 | -5 | Kolon Cup Korean Open | 2002 | Asian Tour | Hanyang | 72 | Lista |
| 67 | -5 | Thailand Open | 2004 | Asian Tour | Royal Thai Air Force Club | 72 | Lista |
| 67 | -5 | GS Caltex Maekyung Open | 2009 | Asian Tour | Nam Seoul Country Club, Seoul | 72 | Lista |
| 68 | -4 | Caltex Singapore Masters | 2004 | DP World Tour | Laguna National | 72 | Lista |
| 68 | -4 | Shinhan Donghae Open | 2002 | Asian Tour | Jae II | 72 | Lista |
| 68 | -4 | Kolon Cup Korean Open | 2002 | Asian Tour | Hanyang | 72 | Lista |
| 69 | -3 | Okinawa Open | 2003 | Asian Tour | Southern Links | 72 | Lista |
| 69 | -3 | GS Caltex Maekyung Open | 2009 | Asian Tour | Nam Seoul Country Club, Seoul | 72 | Lista |
| 69 | -3 | Kolon Cup Korean Open | 2000 | Asian Tour | Seoul | 72 | Lista |
| 69 | -3 | Kolon Cup Korean Open | 2002 | Asian Tour | Hanyang | 72 | Lista |
| 69 | -3 | Thailand Open | 2004 | Asian Tour | Royal Thai Air Force Club | 72 | Lista |