Minoru Koga

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Minoru Koga
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Personal information
Born (1996-09-30) 30 September 1996 (age 29)
Fukuoka, Japan
Height1.66 m (5 ft 5 in)
Weight63 kg (139 lb)
Sport
CountryJapan
SportBadminton
HandednessLeft
Men's singles
Highest ranking56 (21 March 2023)
Current ranking88 (16 December 2025)
BWF profile
Medal record
Men's badminton
Representing File:Flag of Japan.svg Japan
Asia Mixed Team Championships
Silver medal – second place 2019 Hong Kong Mixed team
World Junior Championships
Bronze medal – third place 2014 Alor Setar Mixed team
Asian Youth Games
Gold medal – first place 2013 Nanjing Mixed doubles
Asian Junior Championships
Bronze medal – third place 2014 Taipei Mixed team

Minoru Koga (古賀 穂, Koga Minoru; born 30 September 1996) is a Japanese badminton player.[1] He plays for the AC Nagano Parceiro Badminton Club, having previously played for NTT East.[2] His junior international achievements include a gold medal in mixed doubles at the 2013 Asian Youth Games and bronze medals with the national team at the 2014 Asian and World Junior Championships. While studying at Waseda University, he won the men's singles title at the All Japan Intercollegiate Championships in 2017 and 2018. On the BWF World Tour, his best result was a runner-up finish at the 2018 Canada Open.

Early life and career

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Koga was born on 30 September 1996, in Fukuoka, Japan. He began playing badminton at the age of six at the Okagaki Junior club.[3] In 2011, while a second-year student at Tomioka Daiichi Junior High School in Fukushima Prefecture, he evacuated the area following the Great East Japan Earthquake.[4]

At the national level, Koga won the junior singles title across all three major age divisions: the All Japan Elementary School Championships (2008), the All Japan Junior High School Championships (2011), and the National High School Championships (Inter-High) (2014).[5] At the 2014 Inter-High, he defeated Kanta Tsuneyama in the singles final and led Tomioka High School to the team title.[6] On the international junior stage, Koga won a gold medal in mixed doubles at the 2013 Asian Youth Games, partnered with Akane Yamaguchi.[7] He also contributed to the Japanese team winning bronze medals at both the 2014 Asian and World Junior Championships.[8][9]

Koga enrolled at Waseda University in 2015, majoring in sport sciences.[10] He won the men's singles title at the All Japan Intercollegiate Championships in two consecutive years (2017, 2018).[11][12] In his final year, he captained the Waseda team to a national intercollegiate team title.[13]

Career

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2018–2024: Six international titles and world top 60

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While a student at Waseda University, Koga reached the final of the 2018 Canada Open (Super 100). Despite entering the tournament ranked world No. 396, he reached the final before losing to Lu Guangzu.[14]

Following his graduation, Koga joined the NTT East badminton team on 1 April 2019.[10] He was selected for the Japanese national B team (2018–2022) and was part of the squad that won silver at the 2019 Asia Mixed Team Championships.[10][15]

Koga won his first senior international title at the 2019 Swedish Open, defeating future world champion Loh Kean Yew in the final.[16] Later that year, he reached the semifinals of the 2019 Vietnam Open, a run that included a victory over another future world champion, Kunlavut Vitidsarn.[17]

Between 2022 and 2024, Koga won five additional international titles: the 2022 Mexican International, three titles in 2023 (Thailand, Malaysia, and Bahrain), the 2024 Malaysia International.[18][19][20][21] He achieved a career-high world ranking of 56 on 21 March 2023.

Domestically, Koga became a two-time champion of both the All Japan Members Badminton Championships (2019, 2023) and the Japan Ranking Circuit (2021, 2023).[22][23][24]

2025: Club transfer and two titles

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On 1 April 2025, Koga transferred to the AC Nagano Parceiro badminton club.[2] That year, he won two titles at the Slovenia Future Series and the Belgian International, and finished as runner-up at the Lagos International.[25][26][27]

Personal life

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His elder brother, Akira Koga, is also a badminton player affiliated with JTEKT Stingers.[3]

Achievements

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Asian Youth Games

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Mixed doubles

Year Venue Partner Opponent Score Result Ref
2013 Nanjing Sport Institute,
Nanjing, China 		Japan Akane Yamaguchi Thailand Dechapol Puavaranukroh
Thailand Puttita Supajirakul 		21–19, 19–21, 21–17 Gold Gold [7]

BWF World Tour (1 runner-up)

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The BWF World Tour, which was announced on 19 March 2017 and implemented in 2018,[28] is a series of elite badminton tournaments sanctioned by the Badminton World Federation (BWF). The BWF World Tours are divided into levels of World Tour Finals, Super 1000, Super 750, Super 500, Super 300 (part of the HSBC World Tour), and the BWF Tour Super 100.[29]

Men's singles

Year Tournament Level Opponent Score Result Ref
2018 Canada Open Super 100 China Lu Guangzu 15–21, 10–21 2nd place, silver medalist(s) Runner-up [14]

BWF International Challenge/Series (8 titles, 3 runners-up)

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Men's singles

Year Tournament Opponent Score Result Ref
2019 Slovenian International India Sourabh Verma 17–21, 12–21 2nd place, silver medalist(s) Runner-up [30]
2019 Lao International Japan Kodai Naraoka 20–22, 20–22 2nd place, silver medalist(s) Runner-up [31][32]
2019 Swedish Open Singapore Loh Kean Yew 21–11, 21–15 1st place, gold medalist(s) Winner [16]
2022 Mexican International Brazil Jonathan Matias 10–21, 22–20, 21–13 1st place, gold medalist(s) Winner [18]
2023 Thailand International Chinese Taipei Chi Yu-jen 15–21, 21–17, 22–20 1st place, gold medalist(s) Winner [33]
2023 Malaysia International Japan Takuma Kawamoto 21–17, 10–21, 21–11 1st place, gold medalist(s) Winner [19]
2023 Bahrain International Japan Riki Takei 11–21, 21–15, 21–18 1st place, gold medalist(s) Winner [20]
2024 Malaysia International Japan Riku Hatano 21–19, 15–21, 21–11 1st place, gold medalist(s) Winner [21]
2025 Lagos International Indonesia Prahdiska Bagas Shujiwo 17–21, 18–21 2nd place, silver medalist(s) Runner-up [27]
2025 Slovenia Future Series England Cholan Kayan 21–17, 24–22 1st place, gold medalist(s) Winner [25]
2025 Belgian International Belgium Julien Carraggi 21–14, 22–20 1st place, gold medalist(s) Winner [26][34]
  BWF International Challenge tournament
  BWF International Series tournament
  BWF Future Series tournament

Record against selected opponents

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Record against Year-end Finals finalists, World Championships semi-finalists, and Olympic quarter-finalists. Accurate as of 11 June 2024.[35]

References

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