| Birth date | 21 July 1994 (age 32) |
|---|---|
| Birth place | Sabae, Fukui, Japan |
| Height | 1.68 m (5.5 ft) |
| Plays | Right (two-handed backhand) |
| Careerprizemoney | $65,423 |
| Singlestitles | 1 ITF |
| Highestsinglesranking | No. 322 (24 February 2020) |
| Doublestitles | 11 ITF |
| Highestdoublesranking | No. 210 (16 March 2020) |
| Updated | 20 May 2026 |
Erina Hayashi (林 恵里奈, Hayashi Erina) is an inactive Japanese tennis player. She has career-high WTA rankings of 322 in singles, achieved on 24 February 2020, and No. 210 in doubles, reached on 16 March 2020. She has won one singles title and eleven doubles titles on the ITF Women's Circuit.
Career
Hayashi made her main-draw debut on the WTA Tour at the 2017 Japan Women's Open, where she received a wildcard alongside Momoko Kobori for the doubles competition.
ITF Circuit finals
Singles: 2 (1 title, 1 runner-up)
| Legend |
|---|
| $25,000 tournaments |
| $10,000 tournaments |
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Jun 2016 | ITF Kaohsiung, Taiwan | 10,000 | Hard | Zhang Ying | 0–6, 6–7(5) |
| Win | 1–1 | Jun 2019 | ITF Hong Kong | 25,000 | Hard | Lu Jiajing | 6–3, 3–0 ret. |
Doubles: 29 (11 titles, 18 runner-ups)
| Legend |
|---|
| W60/75 tournaments |
| W40/50 tournaments |
| W25/35 tournaments |
| W10/15 tournaments |
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Apr 2016 | Kōfu International Open, Japan | 25,000 | Hard | Shuko Aoyama | Kanae Hisami Kotomi Takahata | 7–5, 7–5 |
| Win | 2–0 | Jun 2016 | ITF Kaohsiung, Taiwan | 10,000 | Hard | Haruka Kaji | Chen Pei-hsuan Wu Fang-hsien | 6–4, 3–6, [10–7] |
| Loss | 2–1 | Apr 2017 | Kōfu International Open, Japan | 25,000 | Hard | Robu Kajitani | Han Na-lae Luksika Kumkhum | 3–6, 0–6 |
| Loss | 2–2 | May 2017 | Fukuoka International, Japan | 60,000 | Carpet | Robu Kajitani | Junri Namigata Kotomi Takahata | 0–6, 7–6(3), [7–10] |
| Loss | 2–3 | May 2017 | Kurume Cup, Japan | 60,000 | Carpet | Robu Kajitani | Katy Dunne Tammi Patterson | 6–7(3), 6–2, [4–10] |
| Win | 3–3 | Feb 2018 | ITF Palma Nova, Spain | 15,000 | Clay | Chisa Hosonuma | Yukina Saigo Aiko Yoshitomi | 7–5, 7–5 |
| Loss | 3–4 | Mar 2018 | Kōfu International Open, Japan | 25,000 | Hard | Momoko Kobori | Gao Xinyu Luksika Kumkhum | 0–6, 6–2, [4–10] |
| Win | 4–4 | Sep 2018 | ITF Yeongwol, Korea | 15,000 | Hard | Chisa Hosonuma | Hanna Chang Zhang Ying | 6–1, 6–1 |
| Win | 5–4 | Oct 2018 | ITF Hamamatsu, Japan | 25,000 | Carpet | Miharu Imanishi | Momoko Kobori Ayano Shimizu | 7–5, 6–4 |
| Loss | 5–5 | May 2019 | Kurume Cup, Japan | 60,000 | Carpet | Moyuka Uchijima | Hiroko Kuwata Ena Shibahara | 6–0, 4–6, [5–10] |
| Loss | 5–6 | May 2019 | ITF Karuizawa, Japan | 25,000 | Carpet | Momoko Kobori | Naomi Broady Ayaka Okuno | 3–6, 6–2, [7–10] |
| Loss | 5–7 | Jun 2019 | ITF Hong Kong, China SAR | 25,000 | Hard | Momoko Kobori | Junri Namigata Abigail Tere-Apisah | 3–6, 6–2, [6–10] |
| Loss | 5–8 | Aug 2019 | ITF Nanao, Japan | 25,000 | Carpet | Miharu Imanishi | Kanako Morisaki Minori Yonehara | 1–6, 3–6 |
| Loss | 5–9 | Oct 2019 | ITF Makinohara, Japan | 25,000 | Carpet | Momoko Kobori | Eudice Chong Aldila Sutjiadi | 7–6(5), 6–7(5), [4–10] |
| Win | 6–9 | Feb 2020 | All Japan Indoor Championships | 60,000 | Hard (i) | Moyuka Uchijima | Hsieh Yu-chieh Minori Yonehara | 7–5, 5–7, [10–6] |
| Loss | 6–10 | Mar 2020 | ITF Yokohama, Japan | 25,000 | Hard | Kanako Morisaki | Robu Kajitani Naho Sato | 6–1, 4–6, [8–10] |
| Loss | 6–11 | May 2021 | ITF Naples, United States | 25,000 | Clay | Kanako Morisaki | Ulrikke Eikeri Catherine Harrison | 2–6, 6–3, [2–10] |
| Loss | 6–12 | May 2021 | ITF Pelham, United States | 25,000 | Clay | Kanako Morisaki | Fernanda Contreras Marcela Zacarías | 0–6, 3–6 |
| Win | 7–12 | Jun 2021 | ITF Santo Domingo, Dominican Republic | 25,000 | Hard | Kanako Morisaki | Emina Bektas Quinn Gleason | 6–7(3), 6–1, [10–7] |
| Win | 8–12 | Aug 2022 | Verbier Open, Switzerland | W25 | Clay | Kanako Morisaki | Michaela Bayerlová Nicole Fossa Huergo | 6–2, 6–1 |
| Loss | 8–13 | Oct 2022 | ITF Hamamatsu, Japan | W25 | Carpet | Kanako Morisaki | Haruna Arakawa Aoi Ito | 1–6, 6–7(6) |
| Win | 9–13 | Jan 2023 | ITF Bhopal, India | W40 | Hard | Saki Imamura | Ekaterina Makarova Ekaterina Reyngold | 6–3, 7–6(3) |
| Win | 10–13 | Mar 2023 | Clay Court International, Australia | W60 | Clay | Yuki Naito | Destanee Aiava Olivia Gadecki | 7–6(2), 7–5 |
| Loss | 10–14 | Apr 2023 | ITF Fukui, Japan | W15 | Hard | Kisa Yoshioka | Li Yu-yun Rinon Okuwaki | 6–3, 4–6, [8–10] |
| Loss | 10–15 | Aug 2023 | ITF Aldershot, UK | W25 | Hard | Saki Imamura | Destanee Aiava Sarah Beth Grey | 4–6, 3–6 |
| Loss | 10–16 | Mar 2024 | ITF Hinode, Japan | W15 | Hard | Kanako Morisaki | Shiori Tominaga Hikaru Yoshikawa | 3–6, 6–0, [7–10] |
| Win | 11–16 | Mar 2024 | Kōfu International Open, Japan | W50 | Hard | Saki Imamura | Rutuja Bhosale Ankita Raina | 6–3, 7–5 |
| Loss | 11–17 | Sep 2024 | ITF Perth, Australia | W75 | Hard | Saki Imamura | Talia Gibson Maddison Inglis | 2–6, 4–6 |
| Loss | 11–18 | Nov 2024 | Gold Coast International, Australia | W75 | Hard | Kanako Morisaki | Hikaru Sato Eri Shimizu | 7–6(0), 3–6, [6–10] |