Sayaka Ishii

Sayaka Ishii
	Ishii at the 2023 French Open
Native name	石井さやか
Country (sports)	Japan
Born	31 August 2005 (age 18); Tokyo, Japan
Height	1.73 m (5 ft 8 in)
Plays	Right-handed (two-handed backhand)
Prize money	US$ 43,394
Singles
Highest ranking	No. 287 (29 July 2024)
Current ranking	No. 287 (29 July 2024)
Doubles
Highest ranking	No. 429 (29 July 2024)
Current ranking	No. 429 (29 July 2024)
	Last updated on: 29 July 2024.

Sayaka Ishii (石井さやか, Ishii Sayaka, born 31 August 2005) is a Japanese professional tennis player. She has career-high rankings of No. 287 in singles, achieved on 29 July 2024, and of No. 429 in doubles, achieved on 29 July 2024.

Early life

Sayaka Ishii was born in Shibuya, Tokyo.^[1] Her father, Takuro Ishii, is a former professional baseball player.^[2] She trained at the IMG Academy in Bradenton, Florida.^[3]

Junior career

In 2022, she reached the final of the Osaka Mayor's Cup, but lost to compatriot Sara Saito.^[4]

Professional career

In July 2024, she and compatriot Naho Sato won the doubles title at the Figueira da Foz International Ladies Open.^[5]

ITF Circuit finals

Singles: 3 (1 title, 2 runner–ups)

Legend
W100 tournaments (0–0)
W60/75 tournaments (0–0)
W40/50 tournaments (0–0)
W25/35 tournaments (1–1)
W10/15 tournaments (0–1)

Finals by surface
Hard (1–2)
Clay (0–0)
Carpet (0–0)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Jun 2022	ITF Monastir, Tunisia	W15	Hard	Francesca Curmi	2–6, 6–4, 5–7
Loss	0–2	Oct 2023	ITF Redding, U.S.	W25	Hard	Iva Jovic	4–6, 2–6
Win	1–2	Apr 2024	ITF Osaka, Japan	W35	Hard	Stacey Fung	6–1, 3–6, 6–3

Doubles: 2 (1 title, 1 runner-up)

Legend
W100 tournaments (1–0)
W60/75 tournaments (0–0)
W40/50 tournaments (0–0)
W25/35 tournaments (0–1)
W10/15 tournaments (0–0)

Finals by surface
Hard (1–1)
Clay (0–0)
Carpet (0–0)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Feb 2024	ITF Traralgon, Australia	W35	Hard	Lanlana Tararudee	Mana Kawamura Liu Fangzhou	7–6⁽⁴⁾, 3–6, [11–13]
Win	1–1	Jul 2024	Figueira da Foz Ladies Open, Portugal	W100	Hard	Naho Sato	Madeleine Brooks Sarah Beth Grey	7–6^(7–1), 7–5