Natsuki Nidaira

is a Japanese badminton player. She is currently a member of the Yonex badminton club.

Career Nidaira came from the Mito, Ibaraki, and started playing badminton at aged five. Since the elementary school she has won several national championships, and in 2009, she joined the Japanese junior team. In 2013, she competed at the U-17 Asian Junior Championships, and won the girls' singles gold. After graduating from high school, she joined the Tonami Transportation team.

Nidaira made a debut in the senior event in 2015, and at the 2016 Korea Masters, a Grand Prix Gold tournament, she finished in the semifinals round, lose to host player Lee Jang-mi in the straight games. In 2017, she was the runner-up at the Smiling Fish International tournament in Thailand, and won her first senior international title at the Yonex / K&D Graphics International in the United States.

Achievements World Junior Championships Girls' singles Year Venue Opponent Score Result Ref 2015 Centro de Alto Rendimiento de la Videna, Lima Peru Lee Ying Ying 15–21, 21–16, 14–21 Bronze Bronze

BWF World Tour (1 title, 1 runner-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 (BWF). The BWF World Tour is 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.

Women's singles Year Tournament Level Opponent Score Result Ref 2018 Swiss Open Super 300 Sayaka Takahashi 12–21, 18–21 Runner-up 2024 U.S. Open Super 300 Beiwen Zhang 17–21, 21–18, 24–22 Winner

BWF International Challenge/Series (6 titles, 4 runners-up)

Women's singles Year Tournament Opponent Score Result Ref 2017 Smiling Fish International Hui Xirui 10–21, 21–15, 19–21 Runner-up 2017 Yonex / K&D Graphics International Olivia Lei 21–12, 21–13 Winner 2019 Silicon Valley International Mayu Sogo 21–13, 21–12 Winner 2019 South Australia International Yukino Nakai 20–22, 21–12, 21–10 Winner 2020 Estonian International Natsuki Oie 21–12, 21–5 Winner 2020 Swedish Open Natsuki Oie 21–19, 21–8 Winner 2022 Mexican International Riko Gunji 14–21, 21–19, 14–21 Runner-up 2022 Norwegian International Riko Gunji 14–21, 21–18, 21–16 Winner 2022 Irish Open Riko Gunji 13–21, 11–21 Runner-up 2022 Canadian International Michelle Li 11–21, 17–21 Runner-up BWF International Challenge tournament BWF International Series tournament

BWF Junior International (4 titles) Girls' singles Year Tournament Opponent Score Result Ref 2014 Korea Junior International Saena Kawakami 8–21, 21–15, 21–10 Winner 2016 Dutch Junior Kim Ga-eun 21–17, 21–19 Winner 2016 German Junior Pornpawee Chochuwong 21–15, 21–16 Winner 2016 India Junior International Vrushali Gummadi 11–6, 12–10, 9–11, 11–8 Winner BWF Junior International Grand Prix tournament BWF Junior International Series tournament