is a Japanese tennis player.

Shimizu has a career-high singles ranking of 175 by the WTA, reached on 13 May 2019, and a best doubles ranking of 106, achieved on 20 October 2025. Shimizu has won eight singles titles and 24 doubles titles on the ITF Women's Circuit.

She won her biggest title to date at the 2018 Kurume Cup, defeating Abbie Myers in the final.

WTA 125 finals Doubles: 2 (runner-ups) ResultW–LDateTournamentSurfacePartnerOpponentsScoreLoss 0–1 Palermo Ladies Open, Italy Clay Momoko Kobori Estelle Cascino Feng Shuo 2–6, 7–6(7), [7–10]Loss 0–2 Huzhou Open, China Clay Momoko Kobori Veronika Erjavec Zhibek Kulambayeva 4–6, 2–6

ITF Circuit finals Singles: 14 (8 titles, 6 runner-ups) LegendW60 tournaments (1–0)W40/50 tournaments (0–3)W25/35 tournaments (5–3)W10/15 tournaments (2–0)Finals by surfaceHard (2–1)Carpet (6–5) ResultW–LDateTournamentTierSurfaceOpponentScoreWin 1–0 Jul 2016ITF Hong Kong, ChinaW10 Hard Tang Haochen 1–6, 6–4, 6–0Loss 1–1 Sep 2016ITF Noto, JapanW25 Carpet Shiho Akita 4–6, 4–6Win 2–1 May 2017ITF Karuizawa, JapanW25 Carpet Junri Namigata 0–6, 6–4, 6–4Win 3–1 Oct 2017ITF Makinohara, JapanW25 Carpet Momoko Kobori 6–3, 6–3Win 4–1 May 2018Kurume Cup, JapanW60 Carpet Abbie Myers 6–3, 7–5Win 5–1 Sep 2018ITF Nanao, JapanW25 Carpet Mai Hontama 6–3, 6–1Win 6–1 Oct 2018ITF Hamamatsu, JapanW25 Carpet Mana Ayukawa 6–3, 6–4Loss 6–2 Sep 2019ITF Nanao, JapanW25 Carpet Junri Namigata 6–7(5), 6–4, 2–6Loss 6–3 Oct 2023ITF Hamamatsu, JapanW25 Carpet Joanna Garland 2–6, 6–4, 4–6Loss 6–4 Nov 2023Yokohama Challenger, JapanW40 Hard Aliona Falei 3–6, 5–7Loss 6–5 Sep 2024ITF Nanao, JapanW50 Carpet Aoi Ito 2–6, 1–6Win 7–5 Oct 2024ITF Makinohara, JapanW35 Carpet Miho Kuramochi 3–6, 6–3, 6–4Win 8–5 Mar 2025ITF Kashiwa, JapanW15 Hard Ku Yeon-woo 6–3, 6–3Loss 8–6 May 2025Kurume Cup, JapanW50+H Carpet Zarina Diyas 4–6, 3–6

Doubles: 39 (25 titles, 14 runner-ups) LegendW100 tournaments (4–1) W60/75 tournaments (2–3)W40/50 tournaments (6–2)W25/35 tournaments (10–6)W10/15 tournaments (3–1)Finals by surfaceHard (16–8)Clay (4–0)Carpet (3–7)Grass (2–0) ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin 1–0 Jul 2016ITF Gimcheon, South KoreaW10 Hard Jessy Rompies Hong Seung-yeon Kang Seo-kyung 6–2, 7–5Win 2–0 Jun 2017Open Montpellier, FranceW25+H Clay Momoko Kobori Laura Pigossi Victoria Rodriguez 6–3, 4–6, [10–7]Win 3–0 Jul 2017Open Denain, FranceW25 Clay Momoko Kobori Mathilde Armitano Elixane Lechemia 6–4, 6–3Win 4–0 Oct 2017ITF Toowoomba, AustraliaW25 Hard Momoko Kobori Naiktha Bains Abigail Tere-Apisah 7–5, 7–5Loss 4–1 Oct 2017ITF Makinohara, JapanW25 Carpet Yukina Saigo Miyabi Inoue Kotomi Takahata 3–6, 5–7Win 5–1 May 2018ITF Karuizawa, JapanW25 Carpet Momoko Kobori Chisa Hosonuma Kanako Morisaki 6–0, 6–3Win 6–1 Jul 2018Open Denain, FranceW25 Clay Momoko Kobori Quirine Lemoine Eva Wacanno 0–6, 7–5, [10–7]Loss 6–2 Sep 2018ITF Nanao, JapanW25 Carpet Momoko Kobori Kanako Morisaki Megumi Nishimoto 2–6, 3–6Loss 6–3 Oct 2018ITF Hamamatsu, JapanW25 Carpet Momoko Kobori Erina Hayashi Miharu Imanishi 5–7, 4–6Loss 6–4 Mar 2021ITF Sharm El Sheikh, EgyptW15 Hard Mana Ayukawa Erika Sema Anna Sisková 6–1, 4–6, ret.Win 7–4 Mar 2021ITF Sharm El SheikhW15 Hard Momoko Kobori Barbora Matúšová Anastasia Zolotareva 6–1, 6–2Win 8–4 Mar 2021ITF Sharm El SheikhW15 Hard Momoko Kobori Alicia Barnett Yuriko Miyazaki 6–4, 6–1Win 9–4 May 2023ITF Karuizawa, JapanW25 Grass Momoko Kobori Talia Gibson Akari Inoue 3–6, 7–6(6), [10–5]Loss 9–5 Jul 2023ITF Hong Kong, ChinaW25 Hard Momoko Kobori Aoi Ito Erika Sema 7–5, 3–6, [4–10]Win 10–5 Aug 2023ITF Hong KongW40 Hard Momoko Kobori Aoi Ito Erika Sema 3–6, 6–3, [11–9]Loss 10–6 Oct 2023Sydney Challenger, AustraliaW60 Hard Kyōka Okamura Destanee Aiava Maddison Inglis 0–6, 0–6Loss 10–7 Nov 2023Takasaki Open, JapanW100 Hard Momoko Kobori Guo Hanyu Jiang Xinyu 6–7(5), 7–5, [5–10]Loss 10–8 Jan 2024Burnie International, AustraliaW60 Hard Kyōka Okamura Paige Hourigan Erin Routliffe 6–7(5), 4–6Loss 10–9 May 2024Kurume Cup, JapanW75 Carpet Momoko Kobori Madeleine Brooks Sarah Beth Grey 4–6, 0–6Win 11–9 Jun 2024ITF Daegu, South KoreaW35 Hard Kisa Yoshioka Kim Da-bin Kim Na-ri 6–4, 6–3Loss 11–10 Sep 2024ITF Nanao, JapanW50 Carpet Momoko Kobori Aoi Ito Naho Sato 1–6, 3–6Loss 11–11 Nov 2024ITF Hamamatsu, JapanW35 Carpet Momoko Kobori Hiromi Abe Akiko Omae 0–6, 0–6Win 12–11 Nov 2024Takasaki Open, JapanW100 Hard Momoko Kobori Liang En-shuo Tsao Chia-yi 4–6, 6–4, [10–3]Win 13–11 Nov 2024Keio Challenger, JapanW50 Hard Momoko Kobori Cho I-hsuan Cho Yi-tsen 6–4, 7–6(2)Loss 13–12 Mar 2025ITF Kyoto, JapanW50 Hard (i) Momoko Kobori Saki Imamura Park So-hyun 5–7, 4–6Win 14–12 Mar 2025Kōfu International Open, JapanW50 Hard Momoko Kobori Akiko Omae Eri Shimizu 6–1, 6–4Win 15–12 Apr 2025ITF Osaka, JapanW35 Hard Momoko Kobori Ku Yeon-woo Janice Tjen 6–4, 7–5Win 16–12 Apr 2025Kangaroo Cup, JapanW100 Hard Momoko Kobori Emina Bektas Lily Miyazaki 6–1, 6–2Win 17–12 Apr 2025Fukuoka International, JapanW35 Hard Momoko Kobori Miho Kuramochi Akiko Omae 4–6, 6–2, [10–8]Win 18–12 May 2025Kurume Cup, JapanW50+H Carpet Momoko Kobori Ma Yexin Wang Meiling 6–1, 5–7, [10–5]Loss 18–13 Jun 2025ITF Taipei, TaiwanW35 Hard Park So-hyun Ku Yeon-woo Eri Shimizu 4–6, 6–2, [5–10]Win 19–13 Aug 2025ITF Ourense, SpainW50 Hard Momoko Kobori María Martínez Vaquero Alba Rey García 6–4, 6–1Win 20–13 Oct 2025ITF Makinohara, JapanW35 Carpet Sara Saito Chen Mengyi Tiana Tian Deng 6–2, 6–4Win 21–13 Nov 2025Takasaki Open, JapanW100 Hard Momoko Kobori Lee Ya-hsin Ye Qiuyu 3–6, 7–5, [12–10]Win 22–13 Mar 2026Kōfu International Open, JapanW75 Hard Momoko Kobori Dang Yiming You Xiaodi 6–4, 6–4Win 23–13 May 2026Takasaki Open, JapanW100 Hard Eri Shimizu Lee Ya-hsin Cody Wong 6–1, 6–4Loss 23–14 Jun 2026ITF Taipei, TaiwanW35 Hard Natsumi Kawaguchi Back Da-yeon Tsao Chia-yi 5–7, 1–6Win 24–14 Aug 2026Hamburg Ladies & Gents Cup, GermanyW50 Clay Momoko Kobori Valeriya Strakhova Anastasia Tikhonova 6–4, 6–2Win 25–14 Aug 2026ITF Tianjin, ChinaW75 Hard Momoko Kobori Li Yu-yun Zhang Ying 6–0, 4–6, [10–8]

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