# Osamu Nagashima

Osamu Nagashima (長島 理, Nagashima Osamu, born 21 October 1979) is a Japanese para-badminton player. He reached the quarter-finals of the men's singles WH1 at the 2020 Summer Paralympics but did not advance to the final four. In the 2024 Summer Paralympics, he was eliminated in the group stages of the men's singles WH1 event. He also reached the semi-finals of the men's doubles WH1–WH2 event with his partner Takumi Matsumoto but eventually lost in the bronze medal match.

## Biography

Nagashima was an active badminton player during his years in junior high school. During his university years, he suffered a spinal cord injury in an accident and became wheelchair-bound. He later discovered wheelchair badminton and started to compete in international para-badminton tournaments.

## Achievements
### World Championships

Men's singles WH1
| Year | Venue | Opponent | Score | Result |
| 2007 | Gymnasium 1, Bangkok, Thailand | Choi Jung-man | 4–21, 12–21 | Bronze |
| 2009 | Olympic Fencing Gymnasium, Seoul, South Korea | Lee Sam-seop | 16–21, 22–20, 9–21 | Bronze |
| 2013 | Helmut-Körnig-Halle, Dortmund, Germany | Jakarin Homhual | 21–14, 16–21, 21–23 | Bronze |
Men's doubles WH1–WH2
| Year | Venue | Partner | Opponent | Score | Result |
| 2005 | Hsinchu Municipal Gymnasium, Hsinchu, Taiwan | Yukiya Kusunose | Airam Fernández Francisco Pineda | 2–0 | Bronze |
| 2009 | Olympic Fencing Gymnasium, Seoul, South Korea | Tsutomu Shimada | Hiroki Fujino Mitsuyoshi Noine | 21–16, 21–11 | Bronze |
| 2009 | Olympic Fencing Gymnasium, Seoul, South Korea | Tsutomu Shimada | David Toupé Avni Kertmen | 16–21, 17–21 | Bronze |
| 2009 | Olympic Fencing Gymnasium, Seoul, South Korea | Tsutomu Shimada | Lee Sam-seop Lee Yong-ho | 16–21, 14–21 | Bronze |
| 2009 | Olympic Fencing Gymnasium, Seoul, South Korea | Tsutomu Shimada | Shalom Kalvansky Shalom Shalom | 21–9, 21–9 | Bronze |
| 2011 | Coliseo Deportivo, Guatemala City, Guatemala | Seiji Yamami | Avni Kertmen Thomas Wandschneider | 10–21, 15–21 | Silver |
| 2013 | Helmut-Körnig-Halle, Dortmund, Germany | Seiji Yamami | David Toupé Thomas Wandschneider | 13–21, 15–21 | Bronze |
| 2015 | Stoke Mandeville Stadium, Stoke Mandeville, England | Chan Ho Yuen | Kim Jung-jun Lee Dong-seop | 9–21, 13–21 | Bronze |
| 2019 | St. Jakobshalle, Basel, Switzerland | Atsuya Watanabe | Kim Jung-jun Lee Dong-seop | 13–21, 21–15, 14–21 | Bronze |
Mixed doubles WH1–WH2
| Year | Venue | Partner | Opponent | Score | Result |
| 2005 | Hsinchu Municipal Gymnasium, Hsinchu, Taiwan | Midori Kagotani | Choi Jung-man Nam Sun | 2–1 | Bronze |
| 2009 | Olympic Fencing Gymnasium, Seoul, South Korea | Midori Shimada | David Toupé Sonja Häsler | 21–10, 21–16 | Bronze |
| 2009 | Olympic Fencing Gymnasium, Seoul, South Korea | Midori Shimada | Lee Yong-ho Son Ok-cha | 12–21, 22–20, 17–21 | Bronze |
| 2009 | Olympic Fencing Gymnasium, Seoul, South Korea | Midori Shimada | Lee Sam-seop Lee Mi-ok | 14–21, 20–22 | Bronze |
| 2009 | Olympic Fencing Gymnasium, Seoul, South Korea | Midori Shimada | Roberto Galdos Marta Rodriguez | 21–9, 21–9 | Bronze |
| 2013 | Helmut-Körnig-Halle, Dortmund, Germany | Rie Ogura | Avni Kertmen Emine Seçkin | 19–21, 13–21 | Bronze |

### Asian Para Games

Men's singles WH1
| Year | Venue | Opponent | Score | Result |
| 2010 | Tianhe Gymnasium, Guangzhou, China | Zulkafli Shaari | 21–14, 21–13 | Bronze |
| 2014 | Gyeyang Gymnasium, Incheon, South Korea | Choi Jung-man | 15–21, 14–21 | Bronze |
| 2018 | Istora Gelora Bung Karno, Jakarta, Indonesia | Qu Zimo | 16–21, 18–21 | Bronze |
Mixed doubles WH1–WH2
| Year | Venue | Partner | Opponent | Score | Result |
| 2018 | Istora Gelora Bung Karno, Jakarta, Indonesia | Yuma Yamazaki | Mai Jianpeng Li Hongyan | 16–21, 15–21 | Bronze |

### Asian Championships

Men's singles WH1
| Year | Venue | Opponent | Score | Result |
| 2004 | Stadium Titiwangsa, Kuala Lumpur, Malaysia | Kusum Weerasinghe | 15–10, 9–15, 15–17 | Bronze |
Men's doubles WH1–WH2
| Year | Venue | Partner | Opponent | Score | Result |
| 2004 | Stadium Titiwangsa, Kuala Lumpur, Malaysia | Yukiya Kusunose | Madzlan Saibon Zulkafli Shaari | 3–15, 0–15 | Bronze |
| 2012 | Yeoju Sports Center, Yeoju, South Korea | Tsutomu Shimada | Jakarin Homhual Chatchai Kornpeekanok | 19–21, 19–21 | Bronze |
| 2012 | Yeoju Sports Center, Yeoju, South Korea | Tsutomu Shimada | Kim Jung-jun Lee Sam-seop | 9–21, 12–21 | Bronze |
| 2012 | Yeoju Sports Center, Yeoju, South Korea | Tsutomu Shimada | Fang Chih-tsung Ong Yu-yu | 21–11, 21–12 | Bronze |
| 2016 | China Administration of Sport for Persons with Disabilities, Beijing, China | Chan Ho Yuen | Kim Jung-jun Lee Sam-seop | 9–21, 10–21 | Bronze |
Mixed doubles WH1–WH2
| Year | Venue | Partner | Opponent | Score | Result |
| 2012 | Yeoju Sports Center, Yeoju, South Korea | Yoko Egami | Tsutomu Shimada Rie Ogura | 21–19, 21–17 | Bronze |
| 2012 | Yeoju Sports Center, Yeoju, South Korea | Yoko Egami | Kim Kyung-hoon Kim Yun-sim | 11–21, 12–21 | Bronze |
| 2012 | Yeoju Sports Center, Yeoju, South Korea | Yoko Egami | Kim Sung-hun Lee Sun-ae | 8–21, 8–21 | Bronze |

### BWF Para Badminton World Circuit (1 runner-up)

The BWF Para Badminton World Circuit – Grade 2, Level 1, 2 and 3 tournaments has been sanctioned by the Badminton World Federation from 2022.
Men's singles WH1
| Year | Tournament | Level | Opponent | Score | Result |
| 2023 | Western Australia Para Badminton International | Level 2 | Ryu Dong-hyun | 18–21, 13–21 | Runner-up |

### International tournaments (from 2011–2021) (8 titles, 2 runners-up)

Men's singles WH1
| Year | Tournament | Opponent | Score | Result |
| 2017 | Peru Para Badminton International | Hiroshi Murayama | 21–14, 21–16 | Winner |
| 2018 | Turkish Para Badminton International | David Toupé | 21–14, 21–15 | Winner |
| 2019 | Denmark Para Badminton International | Hiroshi Murayama | 21–13, 11–21, 9–21 | Runner-up |
Men's doubles WH1–WH2
| Year | Tournament | Partner | Opponent | Score | Result |
| 2017 | Peru Para Badminton International | Hiroshi Murayama | Kouhei Kobayashi Atsuya Watanabe | 21–11, 21–14 | Winner |
| 2017 | USA Para Badminton International | Chan Ho Yuen | Kim Jung-jun Lee Sam-seop | 11–21, 16–21 | Winner |
Mixed doubles WH1–WH2
| Year | Tournament | Partner | Opponent | Score | Result |
| 2017 | Peru Para Badminton International | Rie Ogura | Rodolfo Cano Pilar Jáuregui | 21–10, 21–18 | Winner |
| 2017 | USA Para Badminton International | Yuma Yamazaki | Kim Jung-jun Kang Jung-kum | 21–18, 8–21, 16–21 | Runner-up |
| 2018 | Spanish Para Badminton International | Yuma Yamazaki | Jakarin Homhual Amnouy Wetwithan | 17–21, 22–20, 21–17 | Winner |
| 2018 | Turkish Para Badminton International | Yuma Yamazaki | Jakarin Homhual Amnouy Wetwithan | 21–9, 21–16 | Winner |
| 2018 | Thailand Para Badminton International | Yuma Yamazaki | Kim Jung-jun Son Ok-cha | 21–12, 21–14 | Winner |