Full name: Tadashi Ohtsuka
Original name: 大束 忠司
Gender: Male
Height: 5'7" (169 cm)
Weight: 141 lbs (64 kg)
Born: April 30, 1978 in Nagasaki, Nagasaki, Japan
Country:
Japan
Sport: Badminton
| Games | Age | City | Sport | Event | Team | NOC | Rank | Medal | |
|---|---|---|---|---|---|---|---|---|---|
| 2004 Summer | 26 | Athina | Badminton | Mixed Doubles | Japan | JPN | 17T | ||
| 2004 Summer | 26 | Athina | Badminton | Men's Doubles | Japan | JPN | 9T | ||
| 2008 Summer | 30 | Beijing | Badminton | Men's Doubles | Japan-1 | JPN | 5T |
| Games | Age | City | Sport | Team | NOC | Partner | Phase | Unit | Rank | Date | Result |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2004 Summer | 26 | Athina | Badminton | Japan | JPN | Shizuka Yamamoto | Round One | Match #9 | 2 | 2004-08-14 | GBR-2 2, JPN 1 |
| Games | Age | City | Sport | Team | NOC | Partner | Phase | Unit | Rank | Date | Result |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2004 Summer | 26 | Athina | Badminton | Japan | JPN | Keita Masuda | Round Two | Match #8 | 2 | 2004-08-16 | CHN-2 2, JPN 1 |
| 2004 Summer | 26 | Athina | Badminton | Japan | JPN | Keita Masuda | Round One | Match #15 | 1 | 2004-08-15 | JPN bye |
| 2008 Summer | 30 | Beijing | Badminton | Japan-1 | JPN | Keita Masuda | Quarter-Finals | Match #3 | 2 | 2008-08-13 | KOR-1 2, JPN-1 1 |
| 2008 Summer | 30 | Beijing | Badminton | Japan-1 | JPN | Keita Masuda | Round One | Match #5 | 1 | 2008-08-12 | JPN-1 2, INA-2 1 |