Hiroki Nishi
Hiroki Nishi is a Japanese badminton player who specializes in doubles. He is a member of the Japanese national team and plays for the BIPROGY team. Nishi has won three BWF World Tour Super 100 titles: two in mixed doubles with Akari Sato and one in men's doubles with Kakeru Kumagai. He reached a career-high world ranking of No. 30 in mixed doubles and No. 32 in men's doubles.
Early career
Nishi began playing badminton at the Nagaokakyo City Sports Shonendan junior club. He later attended Oharano Junior High School and Kyoto Prefectural Otokuni High School. He represented Japan at the 2019 World Junior Championships and earned a bronze medal in the mixed team event.After graduating in 2021, Nishi enrolled at Ryukoku University, where he majored in Sports Science. There, he began a mixed doubles partnership with Akari Sato, who was two years his senior, and the pair placed third at the All Japan Championships. This result led to their selection for the 2023 Japanese national B team, making them the first student-athletes from the Ryukoku University Badminton Club to be chosen for the national team. In his final year at university, Nishi won the mixed doubles title at the 2024 All Japan Inter-Collegiate Championships with partner Sumire Nakade.
Career
2023
In his first year on the national team, Nishi and mixed doubles partner Akari Sato won three international titles. They secured their first World Tour title at the Vietnam Open, defeating Ruttanapak Oupthong and Jhenicha Sudjaipraparat in the final. The pair subsequently won the Kaohsiung Masters by defeating the top-seeded Indonesian pair of Dejan Ferdinansyah and Gloria Emanuelle Widjaja. Additionally, they won the Indonesia International and finished as runners-up at the Indonesia Masters Super 100.2024
In 2024, Nishi formed a new men's doubles partnership with Kakeru Kumagai, and the pair finished as runners-up at the Super 100 Odisha Masters and the Kazakhstan International. In mixed doubles, Nishi and Sato won the Saipan International, defeating compatriots Yuichi Shimogami and Sayaka Hobara in the final. On 30 July, they achieved a career-high mixed doubles ranking of world No. 30. In national circuit, they finished as runners-up at the All Japan Championships after an injury to Sato forced them to retire in the final.2025
Nishi turned professional on 1 April, joining the BIPROGY team after graduating from university. He was part of the Japanese squad that earned a bronze medal at the Asia Mixed Team Championships. With Sato, he made his debut at the Asian Championships, eliminated in the first round after winning their initial round-robin matches. The pair then won their first national title at the Japan Ranking Circuit, defeating Olympic medalist Yuta Watanabe and Misaki Matsutomo in the final. Their partnership concluded on 1 July, following Sato's retirement from professional badminton.In men's doubles, Nishi and Kumagai won their first title as a pair at the Northern Marianas Open. On the World Tour, they won the Super 100 Kaohsiung Masters and were runners-up at the Super 100 Indonesia Masters I. These results propelled them to a career-high ranking of world No. 32 on 25 November.
2026
Nishi and Kumagai opened the season by making their Super 1000 debut at the Malaysia Open. The pair advanced to the second round, where they were defeated by their compatriots Takuro Hoki and Yugo Kobayashi. Following this tournament, Nishi achieved a career-high world ranking of 31 on 20 January. He was also selected to represent Japan at the Asia Team Championships.Achievements
BWF World Tour (3 titles, 3 runners-up)
The BWF World Tour, which was announced on 19 March 2017 and implemented in 2018, is a series of elite badminton tournaments sanctioned by the Badminton World Federation. The BWF World Tours are divided into levels of World Tour Finals, Super 1000, Super 750, Super 500, Super 300, and the BWF Tour Super 100.Men's doubles
| Year | Tournament | Level | Partner | Opponent | Score | Result | Ref | ||||||
| 2024 | Odisha Masters | Super 100 |  BWF International Challenge/Series (3 titles, 1 runner-up)Men's doubles
|