# Daiki Kajiwara

Daiki Kajiwara (梶原 大暉, Kajiwara Daiki, born 13 November 2001) is a Japanese para badminton player. He graduated from Nippon Sport Science University. He won the gold medal in the men singles WH2 and bronze medal in the men doubles WH1–WH2 event of the 2020 Summer Paralympics and 2024 Summer Paralympics.

## Awards and nominations

| Award | Year | Category | Result |
| BWF Awards | 2020/2021 | BWF Male Para Badminton Player of The Year | Nominated |
| BWF Awards | 2022 | BWF Male Para Badminton Player of The Year | Won |
| BWF Awards | 2023 | BWF Male Para Badminton Player of The Year | Won |
| BWF Awards | 2024 | BWF Male Para Badminton Player of The Year | Nominated |
| Minoru Yoneyama Award | 2022 | 2021 Minoru Yoneyama Award by Yonex Sports Foundation | Won |
| Shinji Hattori Award | 2022 | Shinji Hattori Sports Award | Won |
| Japan Para Sports Award | 2023 | Excellence Award | Won |

## Achievements
### Paralympic Games

Men's singles WH2
| Year | Venue | Opponent | Score | Result |
| 2020 | Yoyogi National Gymnasium, Tokyo, Japan | Kim Jung-jun | 21–18, 21–19 | Gold |
| 2024 | Porte de La Chapelle Arena, Paris, France | Chan Ho Yuen | 21–10, 21–10 | Gold |
Men's doubles WH1–WH2
| Year | Venue | Partner | Opponent | Score | Result |
| 2020 | Yoyogi National Gymnasium, Tokyo, Japan | Hiroshi Murayama | Jakarin Homhual Dumnern Junthong | 21–18, 21–19 | Bronze |
| 2024 | Porte de La Chapelle Arena, Paris, France | Hiroshi Murayama | Takumi Matsumoto Osamu Nagashima | 19–21, 21–12, 21–15 | Bronze |

### World Championships

Men's singles WH2
| Year | Venue | Opponent | Score | Result |
| 2022 | Yoyogi National Gymnasium, Tokyo, Japan | Kim Jung-jun | 21–12, 21–11 | Gold |
| 2024 | Pattaya Exhibition and Convention Hall, Pattaya, Thailand | Yu Soo-young | 21–16, 21–10 | Gold |

### Asian Para Games

Men's singles WH2
| Year | Venue | Opponent | Score | Result |
| 2022 | Binjiang Gymnasium, Hangzhou, China | Yu Soo-young | 21–15, 21–9 | Gold |

### Asian Youth Para Games

Boys' singles WH2
| Year | Venue | Opponent | Score | Result |
| 2021 | Alba Club, Riffa, Bahrain | Yu Soo-young | 21–15, 21–11 | Gold |

### BWF Para Badminton World Circuit (28 titles, 4 runners-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 WH2 (22 titles)
| Year | Tournament | Level | Opponent | Score | Result |
| 2022 | Spanish Para Badminton International I | Level 1 | Rick Hellmann | 21–9, 21–11 | Winner |
| 2022 | Brazil Para Badminton International | Level 2 | Jaime Aranguiz | 21–12, 21–8 | Winner |
| 2022 | Bahrain Para Badminton International | Level 2 | Yu Soo-young | 21–9, 21–6 | Winner |
| 2022 | Dubai Para Badminton International | Level 2 | Chan Ho Yuen | 16–21, 21–5, 21–19 | Winner |
| 2022 | Canada Para Badminton International | Level 1 | Kim Jung-jun | 21–12, 21–16 | Winner |
| 2022 | 4 Nations Para Badminton International | Level 1 | Chan Ho Yuen | 21–9, 11–6 retired | Winner |
| 2022 | Thailand Para Badminton International | Level 1 | Yu Soo-young | 21–10, 21–9 | Winner |
| 2023 | Spanish Para Badminton International | Level 2 | Kim Jung-jun | 21–14, 21–11 | Winner |
| 2023 | Spanish Para Badminton International I | Level 1 | Kim Jung-jun | 21–13, 21–7 | Winner |
| 2023 | Brazil Para Badminton International | Level 2 | Chan Ho Yuen | 21–17, 21–10 | Winner |
| 2023 | Thailand Para Badminton International | Level 2 | Yu Soo-young | 22–20, 21–13 | Winner |
| 2023 | Bahrain Para Badminton International | Level 2 | Chan Ho Yuen | 21–14, 21–17 | Winner |
| 2023 | Canada Para Badminton International | Level 1 | Chan Ho Yuen | 21–15, 21–1 | Winner |
| 2023 | 4 Nations Para Badminton International | Level 1 | Kim Jung-jun | 21–17, 19–21, 21–9 | Winner |
| 2023 | Japan Para Badminton International | Level 2 | Chan Ho Yuen | 21–15, 21–15 | Winner |
| 2023 | Dubai Para Badminton International | Level 2 | Chan Ho Yuen | 21–14, 21–15 | Winner |
| 2024 | Spanish Para Badminton International II | Level 2 | Thomas Jakobs | 21–6, 21–17 | Winner |
| 2024 | Spanish Para Badminton International I | Level 1 | Kim Jung-jun | 21–2, 21–9 | Winner |
| 2024 | 4 Nations Para Badminton International | Level 1 | Chan Ho Yuen | 21–16, 21–12 | Winner |
| 2024 | Japan Para Badminton International | Level 2 | Takumi Matsumoto | 21–15, 21–12 | Winner |
| 2025 | Spanish Para Badminton International II | Level 2 | Rick Hellmann | 21–7, 21–11 | Winner |
| 2025 | Spanish Para Badminton International I | Level 1 | Takumi Matsumoto | 21–8, 21–7 | Winner |
Men's doubles WH1–WH2 (6 titles, 4 runners-up)
| Year | Tournament | Level | Partner | Opponent | Score | Result |
| 2022 | Spanish Para Badminton International I | Level 1 | Keita Nishimura | Noor Azwan Noorlan Muhammad Ikhwan Ramli | 20–22, 21–19, 21–12 | Winner |
| 2022 | Brazil Para Badminton International | Level 2 | Keita Nishimura | Thomas Jakobs David Toupé | 21–14, 21–19 | Winner |
| 2023 | Spanish Para Badminton International | Level 2 | Hiroshi Murayama | Jakarin Homhual Dumnern Junthong | 21–8, 21–12 | Winner |
| 2023 | Spanish Para Badminton International I | Level 1 | Hiroshi Murayama | Choi Jung-man Kim Jung-jun | 18–21, 19–21 | Runner-up |
| 2023 | Brazil Para Badminton International | Level 2 | Hiroshi Murayama | Prem Kumar Ale Abu Hubaida | 21–3, 21–17 | Winner |
| 2023 | Bahrain Para Badminton International | Level 2 | Hiroshi Murayama | Mai Jianpeng Qu Zimo | 7–21, 10–21 | Runner-up |
| 2023 | Canada Para Badminton International | Level 1 | Hiroshi Murayama | Choi Jung-man Kim Jung-jun | 21–11, 17–21, 21–16 | Winner |
| 2023 | 4 Nations Para Badminton International | Level 1 | Hiroshi Murayama | Choi Jung-man Kim Jung-jun | 18–21, 21–19, 16–21 | Runner-up |
| 2024 | 4 Nations Para Badminton International | Level 1 | Hiroshi Murayama | Jeong Jae-gun Yu Soo-young | 14–21, 14–21 | Runner-up |
| 2024 | Japan Para Badminton International | Level 2 | Hiroshi Murayama | Takumi Matsumoto Keita Nishimura | 21–19, 22–20 | Winner |

### International tournaments (2011–2021) (2 titles, 4 runners-up)

Men's singles WH2
| Year | Tournament | Opponent | Score | Result |
| 2019 | Denmark Para Badminton International | Rick Hellmann | 21–9, 21–9 | Winner |
| 2020 | Peru Para Badminton International | Kim Jung-jun | 13–21, 14–21 | Runner-up |
Men's doubles WH1–WH2
| Year | Tournament | Partner | Opponent | Score | Result |
| 2019 | Dubai Para Badminton International | Hiroshi Murayama | Jeong Jae-gun Kim Kyung-hoon | 17–21, 7–21 | Runner-up |
| 2019 | Denmark Para Badminton International | Hiroshi Murayama | Young-chin Mi Thomas Wandschneider | 21–12, 21–9 | Winner |
| 2020 | Brazil Para Badminton International | Hiroshi Murayama | Mai Jianpeng Qu Zimo | 12–21, 19–21 | Runner-up |
| 2020 | Peru Para Badminton International | Hiroshi Murayama | Kim Jung-jun Lee Sam-seop | 20–22, 21–15, 18–21 | Runner-up |