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Erina Hayashi
林恵里奈
Country (sports)	Japan
Born	21 July 1994 (age 30); Sabae, Fukui, Japan
Height	1.68 m (5 ft 6 in)
Plays	Right (two-handed backhand)
Prize money	US$ 61,369
Singles
Career record	102–83
Career titles	1 ITF
Highest ranking	No. 322 (24 February 2020)
Current ranking	No. 973 (27 May 2024)
Doubles
Career record	147–87
Career titles	11 ITF
Highest ranking	No. 210 (16 March 2020)
Current ranking	No. 347 (27 May 2024)
	Last updated on: 1 June 2024.

Erina Hayashi (林恵里奈, Hayashi Erina, born 21 July 1994) is a Japanese tennis player.

She has career-high WTA rankings of 322 in singles, achieved on 24 February 2020, and 210 in doubles, reached on 16 March 2020, and has won one singles title and eleven doubles titles on the ITF Women's Circuit.

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: 28 (11 titles, 17 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