Results
| WTA Newport | 07/11 20:30 | 27 |
[45] Tatjana Maria
v
Sayaka Ishii [226] 
|
6-3,6-1 | |
| WTA Newport | 07/09 15:00 | 26 |
[226] Sayaka Ishii v
Destanee Aiava
[160] 
|
3-6,6-3,6-3 | |
| WTA Newport | 07/08 16:10 | 25 |
[228] Hanna Chang
v
Sayaka Ishii [226]
|
1-6,6-4,5-7 | |
| Wimbledon Women | 06/24 13:40 | 14 |
[211] Sayaka Ishii v
Kathinka Von Deichmann
[160] 
|
5-7,1-6 | |
| WTA Ilkley | 06/09 13:10 | 19 |
[210] Sayaka Ishii v
Valentina Ryser
[230] 
|
4-6,5-7 | |
| WTA Ilkley | 06/08 16:50 | 14 |
[204] Sayaka Ishii v
Alana Smith
[384] 
|
6-1,1-6,6-2 | |
| WTA Birmingham | 06/03 10:00 | 25 |
[204] Sayaka Ishii v
Sijia Wei
[130] 
|
3-6,4-6 | |
| WTA Birmingham | 06/01 10:00 | 19 |
[179] Arianne Hartono
v
Sayaka Ishii [204]
|
6-3,6-7,3-6 | |
| WTA Birmingham | 05/31 10:00 | 14 |
[402] Amelia Rajecki
v
Sayaka Ishii [204]
|
4-6,4-6 | |
| French Open Women | 05/19 10:15 | 14 |
[205] Sayaka Ishii v
Panna Udvardy
[142] 
|
2-6,1-6 | |
| ITF W100 Gifu | 05/01 02:30 | - |
Sayaka Ishii v
Ena Koike
|
2-6,6-7 | |
| ITF W100 Gifu | 04/30 06:17 | - |
[139] Ena Shibahara
v
Sayaka Ishii [215]
|
5-7,6-2,5-7 |