is an inactive Japanese tennis player.

Primarily, Sawayanagi has played mostly on the ITF Women's Circuit where she has won 14 titles, eleven in doubles, including a $75k tournament in Toyota, Japan.

ITF Circuit finals Singles: 9 (3 titles, 6 runner-ups) Legend$50,000 tournaments$25,000 tournaments$10,000 tournamentsFinals by surfaceHard (2–3)Grass (0–1)Carpet (1–2) ResultW–LDateTournamentTierSurfaceOpponentScoreLoss 0–1 Jun 2011 ITF Mie, Japan10,000 Carpet Miharu Imanishi 4–6, 3–6Win 1–1 Jun 2014 ITF Kashiwa, Japan10,000 Hard Junri Namigata 6–4, 7–6Win 2–1 Oct 2014 ITF Hamamatsu, Japan25,000 Carpet Junri Namigata 2–6, 6–2, 6–3Win 3–1 May 2015 Seoul Open, South Korea50,000 Hard Jang Su-jeong 6–4, 6–4Loss 3–2 Jun 2015 ITF Kashiwa, Japan25,000 Hard Erika Sema 4–6, 4–6Loss 3–3 Oct 2015 ITF Makinohara, Japan25,000 Grass Katarzyna Kawa 7–6(6), 2–6, 6–7(6)Loss 3–4 Oct 2016 ITF Makinohara, Japan25,000 Carpet Ksenia Lykina 3–6, 3–6Loss 3–5 Nov 2016 ITF Chenzhou, China 25,000 Hard Dalma Gálfi 0–6, 4–6Loss 3–6 Nov 2016 Pune Championships, India 25,000 Hard Irina Khromacheva 1–6, 1–6

Doubles: 20 (11 titles, 9 runner-ups) Legend$75,000 tournaments$50/60,000 tournaments$25,000 tournaments$10/15,000 tournamentsFinals by surfaceHard (5–6)Clay (1–1)Grass (1–0)Carpet (4–2) ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss 0–1 Jun 2011 ITF Mie, Japan10,000 Carpet Chihiro Takayama Shiori Araki Risa Hasegawa 3–6, 6–7(3)Win 1–1 Sep 2011 ITF Kyoto, Japan10,000 Carpet Miyu Kato Kazusa Ito Tomoko Taira 6–4, 7–6(5)Win 2–1 Nov 2011 Toyota World Challenge, Japan75,000 Carpet (i) Makoto Ninomiya Caroline Garcia Michaëlla Krajicek w/oLoss 2–2 May 2013 Kangaroo Cup Gifu, Japan50,000 Hard Nao Hibino Luksika Kumkhum Erika Sema 4–6, 3–6Loss 2–3 Jun 2013 ITF Gimcheon, South Korea10,000 Hard Jang Su-jeong Kim Na-ri Lee Ye-ra 3–6, 3–6Loss 2–4 Jun 2013 ITF Gimcheon, South Korea10,000 Hard Jang Su-jeong Kang Seo-kyung Kim Ji-young 5–7, 1–6Win 3–4 Jul 2014 Challenger de Granby, Canada25,000 Hard Hiroko Kuwata Erin Routliffe Carol Zhao w/oWin 4–4 Sep 2014 ITF Noto, Japan25,000 Carpet Miyabi Inoue Miki Miyamura Chihiro Nunome 6–3, 7–6(2)Win 5–4 May 2015 Kurume Cup, Japan50,000 Grass Makoto Ninomiya Eri Hozumi Junri Namigata 7–6(10), 6–3Win 6–4 Feb 2016 ITF Port Pirie, Australia25,000 Hard Lee Ya-hsuan Ashleigh Barty Casey Dellacqua 6–4, 7–5Win 7–4 Oct 2016 ITF Makinohara, Japan25,000 Carpet Ksenia Lykina Rika Fujiwara Erika Sema 6–4, 6–1Loss 7–5 Jan 2017 ITF Hong Kong, China25,000 Hard Ksenia Lykina Hiroko Kuwata Akiko Omae 1–6, 0–6Win 8–5 Feb 2017 Burnie International, Australia60,000 Hard Barbora Štefková Alison Bai Varatchaya Wongteanchai 7–6(6), 4–6, [10–7]Win 9–5 Feb 2017 ITF Perth, Australia25,000 Hard Junri Namigata Irina Bara Prarthana Thombare 7–6(5), 4–6, [11–9]Win 10–5 Feb 2017 ITF Perth, Australia25,000 Hard Junri Namigata Tammi Patterson Olivia Rogowska 4–6, 7–5, [10–6]Loss 10–6 Jun 2017 Kōfu International, Japan25,000 Hard Hiroko Kuwata Rika Fujiwara Kyōka Okamura 6–7(4), 3–6 Loss 10–7 Sep 2021 ITF Cairo, Egypt W15 Clay Anastasia Nefedova Giorgia Pinto Gaia Squarcialupi 4–6, 6–0, [5–10]Win 11–7 Apr 2022 ITF Antalya, Turkey W15 Clay Misaki Matsuda Rina Saigo Yukina Saigo 7–6, 6–2 Loss 11–8 Sep 2022 ITF Yeongwol, South Korea W15 Hard Junri Namigata Back Da-yeon Lee Eun-hye 5–7, 6–3, [11–13] Loss 11–9 Oct 2022 ITF Makinohara, Japan W25 Carpet Mana Ayukawa Mayuka Aikawa Momoko Kobori 4–6, 5–7, [7–10]

References

External links

Japan Tennis Association profile