| Name | Seiji |
| Surname | Tamai |
| Nationality | Japan |
| Member Id number (MIN) | 10055442 |
| Current age group | Adult |
| Member of |
Japan DanceSport Federation |
| Licenses |
AthleteDivision: GeneralStatus: Inactive |
| Rank | Date | Event | Discipline | Category | Location |
|---|---|---|---|---|---|
| 45. | 10 March 2013 | World Open | Latin | Adult | Tokyo - Japan |
| 50. | 09 March 2013 | World Open | Standard | Adult | Tokyo - Japan |
| 54. | 02 May 2010 | International Open | Standard | Adult | Seoul - South Korea |
| 51. | 01 May 2010 | World Championship | Standard | Youth | Seoul - South Korea |
| 41. | 01 May 2010 | International Open | Latin | Adult | Seoul - South Korea |
| 37. | 07 March 2010 | GrandSlam | Latin | Adult | Tokyo - Japan |
| 56. | 08 July 2006 | Open | Latin | Junior II | Barcelona - Spain |
| Couple | Name | Nationality | Competing for | Status | Joined | Retired |
|---|---|---|---|---|---|---|
| details | Iwasawa Momoko | Japan | Japan | Inactive | 08/03/2013 | |
| details | Rie Morohoshi | Japan | Japan | Inactive | 30/10/2009 | |
| details | Erina Ozawa | Japan | Japan | Retired | 07/07/2006 | 09/07/2006 |