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Rovereto Challenger

Sao Paulo Challenger

Montemar Challenger

Yokohama Challenger

Puerto Vallarta Challenger

Sayaka Ishii

19 year old

Japan

31 Aug 2005

2024 - 2023 - 2022

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2024

2023

2022

Sayaka Ishii

46 - 23win/loss

Hard

42-21

67%

Clay

4-2

67%

Tokyo

Hard

Diana Shnaider

D.Shnaider
RUS Loss
w/o

1/4
25 Oct 24

L

Zeynep Sonmez

Z.Sonmez
TUR
4-6 6-2 6-3

2^nd
23 Oct 24

W

Sara Saito

S.Saito
JPN
6-1 6-1

1^st
22 Oct 24

W

Clara Tauson

C.Tauson
DEN
1-6 7-5 7-5

Q.
20 Oct 24

W

Sae Noguchi

S.Noguchi
JPN
6-2 6-2

q1
19 Oct 24

W

Osaka

Hard

Kimberly Birrell

K.Birrell
AUS Loss
6-2 3-6 6-3

q1
12 Oct 24

L

W75 Perth

Hard

Petra Hule

P.Hule
AUS Loss
6-3 4-6 7-6⁶

1^st
18 Sep 24

L

W75 Perth

Hard

Petra Hule

P.Hule
AUS Loss
7-6² 6-4

2^nd
12 Sep 24

L

Sakura Hosogi

S.Hosogi
JPN
3-6 7-5 7-5

1^st
10 Sep 24

W

W100 Incheon

Hard

Hina Inoue

H.Inoue
USA Loss
6-4 6-1

2^nd
05 Sep 24

L

Hanna Chang

H.Chang
USA
3-6 6-1 6-1

1^st
04 Sep 24

W

Cleveland

Hard

Katerina Siniakova

K.Siniakova
CZE Loss
6-7⁵ 6-3 7-6⁵

1^st
20 Aug 24

L

Elvina Kalieva

E.Kalieva
USA
7-5 6-1

Q.
18 Aug 24

W

Saisai Zheng

S.Zheng
CHN
6-3 6-4

q1
17 Aug 24

W

W100 Cary

Hard

Lucrezia Stefanini

L.Stefanini
ITA Loss
5-7 7-6⁹ 1-1 ret.

Q.
12 Aug 24

L

Maya Joint

M.Joint
AUS
6-3 4-6 6-1

q1
11 Aug 24

W

W100 Landisville

Hard

Mccartney Kessler

M.Kessler
USA Loss
6-2 6-3

1^st
08 Aug 24

L

Simona Waltert

S.Waltert
SUI
6-4 6-2

Q.
07 Aug 24

W

Ayana Akli

A.Akli
USA
7-6⁴ 6-3

q1
05 Aug 24

W

W100 Figueira da Foz

Hard

Gabriela Andrea Knutson

G.Knutson
CZE Loss
6-4 6-2

1^st
23 Jul 24

L

Olga Helmi

O.Helmi
DEN
6-3 6-2

Q.
22 Jul 24

W

W50 Nottingham

Hard

Heather Watson

H.Watson
GBR Loss
6-3 6-1

1/4
19 Jul 24

L

Alice Gillan

A.Gillan
GBR
6-4 6-0

2^nd
18 Jul 24

W

Abigail Amos

A.Amos
GBR
6-2 6-0

1^st
16 Jul 24

W

W50 Corroios-Seixal

Hard

Valeria Savinykh

V.Savinykh
RUS Loss
6-1 6-4

1/4
12 Jul 24

L

Anastasia Zakharova

A.Zakharova
RUS
7-6⁸ 6-2

2^nd
11 Jul 24

W

Nigina Abduraimova

N.Abduraimova
UZB
7-6⁶ 6-0

1^st
09 Jul 24

W

W50 Palma del Rio

Hard

Melisa Ercan

M.Ercan
TUR Loss
6-3 6-7¹⁰ 6-2

1/4
28 Jun 24

L

Camilla Rosatello

C.Rosatello
ITA
2-6 6-4 6-3

2^nd
27 Jun 24

W

Tamara Kostic

T.Kostic
AUT
6-3 6-0

1^st
26 Jun 24

W

W35+H Tauste

Hard

Victoria Rodriguez

V.Rodriguez
MEX Loss
4-6 6-2 7-5

1/2
21 Jun 24

L

Lucia Cortez Llorca

L.Llorca
ESP
6-3 6-1

1/4
20 Jun 24

W

Raquel Gonzalez Vilar

R.Vilar
ESP
6-1 6-1

2^nd
19 Jun 24

W

Silvia Alejo

S.Alejo
ESP
6-1 6-1

1^st
17 Jun 24

W

W75 Sumter

Hard

Jessica Failla

J.Failla
USA Loss
6-2 6-4

2^nd
06 Jun 24

L

Dalayna Hewitt

D.Hewitt
USA
4-6 7-6⁵ 6-4

1^st
05 Jun 24

W

W100 Gifu

Hard

Aoi Ito

A.Ito
JPN Loss
4-6 7-6² 1-0 ret.

1^st
30 Apr 24

L

W100 Tokyo

Hard

Eudice Wong Chong

E.Chong
HKG Loss
3-6 6-3 7-6⁴

1^st
24 Apr 24

L

W35 Osaka

Hard

Stacey Fung

S.Fung
CAN
6-1 3-6 6-3

Fin.
14 Apr 24

W

Mananchaya Sawangkaew

M.Sawangkaew
THA
7-5 7-5

1/2
13 Apr 24

W

Ya-Hsuan Lee

Y.Lee
TPE
6-4 6-2

1/4
12 Apr 24

W

Maddison Inglis

M.Inglis
AUS
6-7³ 6-4 6-4

2^nd
11 Apr 24

W

Lea Ma

L.Ma
USA
6-5 ret.

1^st
10 Apr 24

W

W50 Kashiwa

Hard

Arianne Hartono

A.Hartono
NED Loss
5-7 6-2 6-4

1/4
05 Apr 24

L

Naho Sato

N.Sato
JPN
6-4 6-3

2^nd
04 Apr 24

W

Talia Gibson

T.Gibson
AUS
7-6³ 2-6 6-4

1^st
03 Apr 24

W

Lanlana Tararudee

L.Tararudee
THA
6-1 2-0 ret.

Q.
01 Apr 24

W

Moeka Miyata

M.Miyata
JPN
6-1 6-2

q1
31 Mar 24

W

Miami

Hard

Bernarda Pera

B.Pera
USA Loss
6-0 6-4

q1
17 Mar 24

L

W35 Traralgon

Hard

Jia-Jing Lu

J.Lu
CHN Loss
6-2 6-4

1^st
28 Feb 24

L

W35 Traralgon

Hard

Naho Sato

N.Sato
JPN Loss
6-4 6-1

1/4
23 Feb 24

L

Naiktha Bains

N.Bains
GBR
6-3 6-2

2^nd
22 Feb 24

W

Sijia Wei

S.Wei
CHN
6-2 7-6⁹

1^st
21 Feb 24

W

W35 Wesley Chapel

Clay

Panna Bartha

P.Bartha
HUN Loss
1-6 7-6¹ 6-2

2^nd
08 Feb 24

L

Maria Kozyreva

M.Kozyreva
RUS
6-4 6-2

1^st
06 Feb 24

W

W75+H Vero Beach

Clay

Clervie Ngounoue

C.Ngounoue
USA Loss
6-4 6-3

2^nd
25 Jan 24

L

Fernanda Castillo Huerta

F.Huerta
MEX
6-1 6-0

1^st
24 Jan 24

W

Anna Sinclair Rogers

A.Rogers
USA
6-2 6-7³ 6-3

Q.
23 Jan 24

W

Mia Yamakita

M.Yamakita
USA
6-2 7-5

q1
22 Jan 24

W

W50 Nonthaburi

Hard

Mananchaya Sawangkaew

M.Sawangkaew
THA Loss
3-6 6-2 7-5

1/2
13 Jan 24

L

Dalila Jakupovic

D.Jakupovic
SLO
6-0 6-0

1/4
12 Jan 24

W

Ksenia Zaytseva

K.Zaytseva
RUS
6-2 6-4

2^nd
11 Jan 24

W

Punnin Kovapitukted

P.Kovapitukted
THA
4-6 6-1 6-0

1^st
10 Jan 24

W

Evgeniya Rodina

E.Rodina
RUS
6-3 6-4

Q.
08 Jan 24

W

Watsachol Sawatdee

W.Sawatdee
THA
6-2 6-1

q1
07 Jan 24

W

W50 Nonthaburi

Hard

Antonia Ruzic

A.Ruzic
CRO Loss
6-3 6-2

1/4
05 Jan 24

L

Dalila Jakupovic

D.Jakupovic
SLO
6-2 6-2

2^nd
04 Jan 24

W

En Shuo Liang

E.Liang
TPE
6-1 6-3

1^st
03 Jan 24

W

Mana Kawamura

M.Kawamura
JPN
6-1 2-6 6-4

Q.
01 Jan 24

W

Hiroko Kuwata

H.Kuwata
JPN
6-0 6-3

q1
31 Dec 23

W

Premier

Career Titles - 0

Year	Sum.	Hard	Clay	I.hard	Grass	Carpet
2024	46-23	42-21	4-2	0-0	0-0	0-0
2023	31-20	20-11	10-7	1-2	0-0	0-0
2022	13-8	5-3	5-2	3-1	0-1	0-1
Total	90-51	67-35	19-11	4-3	0-1	0-1

Ranking History