2018–2020: Chinese Taipei Open–first World Tour title Matsuyama began the 2018 season as a semi-finalist at the
Swiss Open alongside partner
Chiharu Shida. The pair reached their first BWF World Tour final at the
Singapore Open, where they lost to teammates
Ayako Sakuramoto and
Yukiko Takahata. They also finished as runners-up to Sakuramoto and Takahata at the
Akita Masters and the
Bangka Belitung Indonesia Masters, while in the
Vietnam Open they lose to
Misato Aratama and
Akane Watanabe. Matsuyama and Shida secured their first World Tour title at the
Chinese Taipei Open by defeating
Ayane Kurihara and
Naru Shinoya. They ended the season ranked as world number 13. In 2019, Matsuyama and Shida won two titles at the
U.S. Open and
Korea Masters. They were also finalists at the
Spain Masters and
Swiss Open. During the 2020 season, Matsuyama was selected for the Japanese squad at the
Asia Women's Team Championships, helping the team win gold against South Korea.
2021: Two titles at the Indonesia Badminton Festival Following tournament disruptions caused by the
COVID-19 pandemic, Matsuyama was selected for the Japanese squad at the
Sudirman in Finland and
Uber Cup in Denmark. She helped the team secure silver medals in both competitions. Partnering with Shida, she claimed back-to-back titles at the
Indonesia Masters and
Indonesia Open. The pair reached the final of the season-ending
BWF World Tour Finals in Bali, finishing as runners-up. Matsuyama and Shida concluded the year by making their debut at the
World Championships in Huelva, reaching the quarter-finals. Following these results, the pair entered the top 10 in the BWF world ranking.
2022–2023: All England Open title, and world #2 Started the 2022 season as world number 7, Matsuyama and Shida won the
All England Open title beating
Zhang Shuxian and
Zheng Yu in the final. They competed in the
Asian Championships, but were eliminated in the quarter-finals to
Chen Qingchen and
Jia Yifan. The pair won their second title of the year in the
Thailand Open by defeating
Mayu Matsumoto and
Wakana Nagahara in the final. Their good performance continue in the
Indonesia Open triumph over
Yuki Fukushima and
Sayaka Hirota. They also made a history as the first ever women's doubles to win three consecutive BWF World Tour Super 1000 event. They qualified to compete in the
World Championships, but their pace were stopped in the quarter-finals to
Kim So-yeong and
Kong Hee-yong. Matsuyama and Shida reached their career high as world number 2 in the BWF world ranking in November 2022. In early 2023, Matsuyama and Shida won the
India Open via walkover after Chen and Jia withdrew due to Chen's illness. Matsuyama and Shida then suffered five consecutive defeats from the South Korean new pairing
Baek Ha-na and
Lee So-hee; in the finals of the
German Open, quarter-finals of the
Malaysia Masters and
Singapore Open, second round of the
All England Open, and also in the first round of the
Asian Championships. They then finally topped the podium at the
Canada Open after won the final against Matsumoto and Nagahara. Chen and Jia are still too tough for Matsuyama and Shida. They have lost all of five meetings in the second half of the season; in the quarter-finals of the
Japan Open,
World Championships, and
Asian Games; semi-finals of the
China Open; and then in the final of the
Denmark Open. The duo then won their third title of the year in the
China Masters. Matsuyama and Shida qualified to compete in the year-end finals tournament, the
BWF World Tour Finals, reaching to the semi-finals, where they were defeated again by Baek and Lee.
2024–2025: Olympic bronze, second All England title In early 2024, Matsuyama and Shida reached the finals of the
French and
Singapore Opens but were defeated in both by Chen and Jia. At the
All England Open, they lost in the finals to Baek and Lee in three games. The pair
qualified for the
2024 Summer Olympics, where they won the bronze medal. In 2025, Matsuyama won her second
All England Open title with Shida, defeating the newly formed pair of Yuki Fukushima and Mayu Matsumoto. They also reached the final of the
Asian Championships, securing the silver medal. On 8 July, Matsuyama and Shida announced they would end their partnership following the
2025 BWF World Championships.
2026: Transition to mixed doubles and injury Matsuyama transitioned to mixed doubles, partnering with
Hiroki Midorikawa. The pair won the
2026 Polish Open by defeating
Jeppe Søby and
Sofie Røjkjær. == Awards and nominations ==