🌐 International starts:
3×
Japan
📊 Unified Results
| Date | Couple | Competition | Category | Result | Source | |
|---|---|---|---|---|---|---|
| 2015 | ||||||
| 2015-08-02 | Seiichi Koshigaya & Yumiko Hashimoto |
JPBDA Eastern Directorate General "NBDA DanceSport Competitions"
Adult
|
STT Dosp. Tr. B |
10.
/
12
|
||
| 2014 | ||||||
| 2014-06-22 | Seiichi Koshigaya & Yumiko Hashimoto |
Asian World DanceSport Festival 2014
Adult
|
LAT Dosp. Tr. C |
20.
/
25
|
||
| 2014-06-22 | Seiichi Koshigaya & Yumiko Hashimoto |
Asian World DanceSport Festival 2014
Adult
|
STT Dosp. Tr. B |
41.
/
61
|
||