Hiroki Okamura

Okamura began competing in international junior events in 2016, partnering with Masayuki Onodera in boys' doubles and with Nami Matsuyama and Sayaka Hobara in mixed doubles. At the Dutch Junior that year, Okamura and Onodera won the boys' doubles title, defeating compatriots Kyohei Yamashita and Naoki Yamazawa in three games. Okamura also won the mixed doubles at the same tournament with Matsuyama.^[4] At the German Junior, Okamura and Onodera reached the boys' doubles final but lost to Yamashita and Yamazawa, and Okamura and Hobara finished as runners-up in the mixed doubles.^[5] Later in 2016, Okamura and Onodera won the boys' doubles title at the India Junior International, defeating India's Krishna Prasad Garaga and Dhruv Kapila.^[6]

Okamura was part of the Japanese team that won bronze medals at both the 2016 World Junior Championships in Bilbao and the 2016 Asian Junior Championships in Bangkok in the mixed team event.

In 2017, Okamura won the mixed doubles title at the Malaysia International with Naru Shinoya.^[7] The following year, he partnered with Masayuki Onodera in men's doubles at the Sydney International, where they won the title with a straight-games victory over Singapore's Danny Bawa Chrisnanta and Terry Hee.^[8]

In 2019, Okamura and Onodera reached the final of the Canada Open, a BWF World Tour Super 100 event, but lost to Denmark's Mathias Boe and Mads Conrad-Petersen in straight games.^[9]

Okamura returned to the Indonesia International in 2022 with Onodera, where they finished as runners-up to Indonesia's Rahmat Hidayat and Pramudya Kusumawardana.^[10]

From 2023, Okamura began a new men's doubles partnership with Kenya Mitsuhashi. In September, the pair won the Super 100 Vietnam Open title, defeating Indonesia's Hardianto and Ade Yusuf Santoso.^[11] In October, they won the Indonesia International, overcoming South Korea's Ki Dong-ju and Kim Jae-hwan in three games.^[12] Later that month, they captured the Indonesia Masters Super 100 title with a straight-games win over Malaysia's Choong Hon Jian and Muhammad Haikal.^[13] In November, Okamura and Mitsuhashi reached the quarterfinals of the Japan Masters (Super 500), after defeating Mohammad Ahsan and Hendra Setiawan in the first round and reigning world champions Kang Min-hyuk and Seo Seung-jae in the second round, both in straight games.^[14] They lost in the quarterfinals to China's He Jiting and Ren Xiangyu, who went on to win the tournament.^[15]

Okamura was part of the Japanese teams that claimed bronze medals at the 2024 Asia Team Championships in Selangor and the 2025 Asia Mixed Team Championships in Qingdao. He and Mitsuhashi achieved a career-high men's doubles ranking of 18 on 27 August 2024.

In 2026, Okamura formed a new men's doubles partnership with Kyohei Yamashita. The pair made their debut at the Swiss Open in March, reaching the second round before losing to Satwiksairaj Rankireddy and Chirag Shetty of India.^[16] Later that month, they finished as runners-up at the Super 300 Orléans Masters.^[17]

Okamura married on 23 February 2026.^[18]