Tadashi Ōtsuka

Template:Short description Template:Short descriptionTemplate:Template other is a male badminton player from Japan.

Career

Otsuka competed in badminton at the 2004 Summer Olympics in men's doubles with partner Keita Masuda. They had a bye in the first round, then were defeated in the round of 16 by Fu Haifeng and Cai Yun of China. He also competed in mixed doubles with partner Shizuka Yamamoto. They were defeated in the round of 32 by Robert Blair and Natalie Munt of Great Britain.

Ohtsuka played at the 2007 BWF World Championships in men's doubles with Keita Masuda, and were defeated in the third round by the eventual champions Markis Kido and Hendra Setiawan, of Indonesia, 22-20, 21-19.

Achievements

BWF Grand Prix (1 title, 1 runner-up)

The BWF Grand Prix had two levels, the BWF Grand Prix and Grand Prix Gold. It was a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) which was held from 2007 to 2017. The World Badminton Grand Prix has been sanctioned by International Badminton Federation (IBF) from 1983 to 2006.

Men's doubles

Year	Tournament	Partner	Opponent	Score	Result
2005	Dutch Open	Template:Flagicon Keita Masuda	Template:Flagicon Choong Tan Fook Template:Flagicon Lee Wan Wah	7–15, 4–15	Runner-up
2007	U.S. Open	Template:Flagicon Keita Masuda	Template:Flagicon Howard Bach Template:Flagicon Khan Malaythong	21–18, 21–11	Winner

  BWF Grand Prix tournament

  IBF World Grand Prix tournament

IBF International Challenge/Series (5 titles, 4 runners-up)

Men's doubles

Year	Tournament	Partner	Opponent	Score	Result	Ref
1999	Mexico International	Template:Flagicon Keita Masuda	Template:Flagicon Ma Che Kong Template:Flagicon Yau Tsz Yuk	7–15, 15–13, 10–15	Runner-up
2000	Cuba International	Template:Flagicon Keita Masuda	Template:Flagicon José Antonio Crespo Template:Flagicon Sergio Llopis	15–9, 15–2	Winner
2000	French International	Template:Flagicon Keita Masuda	Template:Flagicon Takuya Katayama Template:Flagicon Yuzo Kubota	15–6, 15–11	Winner
2003	Waikato International	Template:Flagicon Keita Masuda	Template:Flagicon Hendri Saputra Template:Flagicon Denny Setiawan	7–15, 15–12, 3–15	Runner-up
2003	Guatemala International	Template:Flagicon Keita Masuda	Template:Flagicon Howard Bach Template:Flagicon Kevin Han	15–6, 15–12	Winner
2004	Iran Fajr International	Template:Flagicon Keita Masuda	Template:Flagicon Liu Kwok Wa Template:Flagicon Albertus Susanto Njoto	4–15, 11–15	Runner-up
2004	Mauritius International	Template:Flagicon Keita Masuda	Template:Flagicon Liu Kwok Wa Template:Flagicon Albertus Susanto Njoto	15–11, 15–8	Winner

Mixed doubles

Year	Tournament	Partner	Opponent	Score	Result	Ref
2003	Mauritius International	Template:Flagicon Shizuka Yamamoto	Template:Flagicon Kristof Hopp Template:Flagicon Kathrin Piotrowski	10–15, 15–7, 15–7	Winner
2003	Waikato International	Template:Flagicon Shizuka Yamamoto	Template:Flagicon Daniel Shirley Template:Flagicon Sara Petersen	4–15, 8–15	Runner-up

  BWF International Series tournament

External links

• Template:Sports links
• Template:Team Japan
• Template:Team Japan