| ITF W100 Landisville | 08/05 14:00 | 54 |
Ayana Akli
v
Sayaka Ishii 
|
6-7,3-6 | |
| ITF W100 Figueira Da Foz | 07/23 12:15 | 25 |
[184] Gabriela Knutson
v
Sayaka Ishii [289]
|
6-4,6-2 | |
| ITF W100 Figueira Da Foz | 07/22 13:40 | 54 |
Sayaka Ishii v
Olga Helmi
|
6-3,6-2 | |
| ITF W50 Nottingham | 07/19 09:30 | 27 |
[304] Sayaka Ishii v
Heather Watson
[203] 
|
3-6,1-6 | |
| ITF W50 Nottingham | 07/18 08:50 | 26 |
Sayaka Ishii v
Alice Gillan
|
6-4,6-0 | |
| ITF W50 Nottingham | 07/16 11:55 | 25 |
Sayaka Ishii v
Abigail Amos
|
6-2,6-0 | |
| ITF W50 Nottingham | 07/16 10:30 | 25 |
Sayaka Ishii v
Talia Neilson Gatenby
|
Cancelled | |
| ITF W50 Corroios-Seixal | 07/12 12:00 | 27 |
[194] Valeria Savinykh
v
Sayaka Ishii [319]
|
6-1,6-4 | |
| ITF W50 Corroios-Seixal | 07/11 12:00 | 26 |
[319] Sayaka Ishii v
Anastasia Zakharova
[160] 
|
7-6,6-2 | |
| ITF W50 Corroios-Seixal | 07/09 12:00 | 25 |
[294] Nigina Abduraimova
v
Sayaka Ishii [319]
|
6-7,0-6 | |
| ITF W50 Palma del Rio | 06/28 16:45 | 27 |
[440] Melisa Ercan
v
Sayaka Ishii [323]
|
6-3,6-7,6-2 | |
| ITF W50 Palma del Rio | 06/27 16:45 | 26 |
[323] Sayaka Ishii v
Camilla Rosatello
[298] 
|
2-6,6-4,6-3 | |
| ITF W50 Palma del Rio | 06/26 16:40 | 25 |
Tamara Kostic
v
Sayaka Ishii
|
3-6,0-6 | |
| ITF W35 Tauste | 06/21 15:30 | 28 |
[316] Victoria Rodriguez
v
Sayaka Ishii [326]
|
4-6,6-2,7-5 | |
| ITF W35 Tauste | 06/20 16:55 | 27 |
[326] Sayaka Ishii v
Lucia Cortez Llorca
[425] |
6-3,6-1 | |
| ITF W35 Tauste | 06/19 11:00 | 26 |
Sayaka Ishii v
Raquel G Vilar
|
6-1,6-1 | |
| ITF W35 Tauste | 06/17 17:30 | 25 |
Sayaka Ishii v
Silvia Alejo
|
6-1,6-1 | |
| ITF W75 Sumter | 06/06 14:05 | 26 |
[343] Sayaka Ishii v
Jessica Failla
[476] 
|
2-6,4-6 | |
| ITF W75 Sumter | 06/05 16:20 | 25 |
[343] Sayaka Ishii v
Dalayna Hewitt
[428] 
|
4-6,7-6,6-4 | |
| ITF W100 Gifu | 04/30 07:05 | 25 |
[282] Aoi Ito
v
Sayaka Ishii [326]
|
Retired | |
| ITF W100 Tokyo | 04/24 08:00 | 25 |
[326] Sayaka Ishii v
Eudice Chong
[314] 
|
6-3,3-6,6-7 | |
| ITF W35 Osaka | 04/14 02:00 | 29 |
[265] Stacey Fung
v
Sayaka Ishii [371]
|
1-6,6-3,3-6 | |
| ITF W35 Osaka | 04/13 02:45 | 28 |
[371] Sayaka Ishii v
Mananchaya Sawangkaew
[227] 
|
7-5,7-5 | |
| ITF W35 Osaka | 04/12 01:00 | 27 |
[371] Sayaka Ishii v
Ya-Hsuan Lee
[320] |
6-4,6-2 | |
| ITF W35 Osaka | 04/11 03:15 | 26 |
[262] Maddison Inglis
v
Sayaka Ishii [371]
|
7-6,4-6,4-6 | |
| ITF W35 Osaka | 04/10 00:55 | 25 |
Sayaka Ishii v
Lea Ma
|
Retired | |
| ITF W50 Kashiwa | 04/05 05:30 | 27 |
[142] Arianne Hartono
v
Sayaka Ishii [381]
|
5-7,6-2,6-4 | |
| ITF W50 Kashiwa | 04/04 01:35 | 26 |
[354] Naho Sato
v
Sayaka Ishii [381]
|
4-6,3-6 | |
| ITF W50 Kashiwa | 04/03 07:10 | 25 |
[381] Sayaka Ishii v
Talia Gibson
[184] 
|
7-6,2-6,6-4 | |
| ITF W50 Kashiwa | 04/01 01:00 | 45 |
[278] Lanlana Tararudee
v
Sayaka Ishii [381]
|
Retired |