Miyuki Tai

The World Badminton Grand Prix sanctioned by International Badminton Federation (IBF) since 1983.

Women's doubles

Year	Tournament	Partner	Opponent	Score	Result
2003	U.S. Open	Yoshiko Iwata	Ha Jung-eun Lee Eun-woo	15–5, 15–4	Winner

Women's doubles

Year	Tournament	Partner	Opponent	Score	Result
2005	Pan Am International	Noriko Okuma	Denyse Julien Milaine Cloutier	Walkover	Winner
2005	Peru International	Noriko Okuma	Charmaine Reid Helen Nichol	15–4, 15–5	Winner
2005	USA SCBA International	Noriko Okuma	Johanna Lee Peng Yun	11–15, 15–13, 11–15	Runner-up
2005	Swedish International	Noriko Okuma	Nina Vislova Valeria Sorokina	15–2, 15–4	Winner
2004	Western Australia International	Noriko Okuma	Fong Chew Yen Chor Hooi Yee	15–7, 15–11	Winner
2004	Canterbury International	Noriko Okuma	Rachel Hindley Rebecca Gordon	15–2, 15–7	Winner
2004	Peru International	Yoshiko Iwata	Helen Nichol Charmaine Reid	15–3, 6–15, 15–8	Winner
2004	Iran Fajr International	Yoshiko Iwata	Jiang Yanmei Li Yujia	4–15, 12–15	Runner-up
2004	Swedish International	Yoshiko Iwata	Kamila Augustyn Nadieżda Kostiuczyk	5–15, 3–15	Runner-up
2003	Guatemala International	Yoshiko Iwata	Felicity Gallup Joanne Muggeridge	15–12, 15–1	Winner
2003	Southern Pan Am Classic	Yoshiko Iwata	Felicity Gallup Joanne Muggeridge	15–2, 15–4	Winner
2003	Ballarat International	Yoshiko Iwata	Jane Crabtree Kate Wilson-Smith	15–4, 15–6	Winner
2003	Carebaco International	Yoshiko Iwata	Helen Nichol Charmaine Reid	15–5, 15–5	Winner
2003	South Africa International	Yoshiko Iwata	Chikako Nakayama Keiko Yoshitomi	15–4, 4–15, 5–15	Runner-up
2003	Croatian International	Yoshiko Iwata	Kamila Augustyn Nadieżda Kostiuczyk	11–8, 11–8	Winner
2003	Cuba International	Yoshiko Iwata	Helen Nichol Charmaine Reid	15–6, 15–4	Winner
2003	French International	Yoshiko Iwata	Elena Shimko Marina Yakusheva	11–1, 7–11, 11–9	Winner
2002	Macau Satellite	Yoshiko Iwata	Wang Xin Yuan Ting	11–7, 9–11, 6–11	Runner-up

Mixed doubles

Year	Tournament	Partner	Opponent	Score	Result
2004	Canterbury International	Hiroshi Shimizu	Craig Cooper Lianne Shirley	15–11, 10–15, 4–15	Runner-up
2003	Cuba International	Takanori Aoki	Charles Pyne Nigella Saunders	15–7, 15–11	Winner
2002	Macau Satellite	Tōru Matsumoto	Li Wing Mui Wong Tsz Yin	11–1, 11–5	Winner