| ITF W15 Ramat Hasharon | 05/06 09:10 | 26 | Hiroko Kuwata v Mika D Fruchtman | 6-4,6-3 | |
| ITF W15 Ramat Hasharon | 05/05 08:50 | 25 | Hiroko Kuwata v Anna Ozerova | 6-7,6-3,6-0 | |
| ITF W25 Oeiras | 04/28 10:00 | 25 | [428] Hiroko Kuwata v Shalimar Talbi [347] | 1-6,5-7 | |
| ITF W25 Oeiras | 04/27 11:10 | 24 | Hiroko Kuwata v Verena Meliss | 7-5,6-4 | |
| ITF W15 Antalya | 04/07 11:05 | 25 | Diana Demidova v Hiroko Kuwata | 6-1,6-2 | |
| ITF W15 Antalya | 03/31 06:50 | 25 | Hiroko Kuwata v Noelia Zeballos | 3-6,7-6,3-6 | |
| ITF W15 Antalya | 03/26 10:05 | 26 | Hiroko Kuwata v Melodie Collard | 5-7,5-7 | |
| ITF W15 Antalya | 03/24 09:35 | 25 | [363] Hiroko Kuwata v Marianna Zakarlyuk [412] | Retired | |
| ITF W15 Antalya | 03/17 11:00 | 25 | Alexandra Vecic v Hiroko Kuwata | 6-0,6-4 | |
| ITF W15 Antalya | 03/11 09:10 | 26 | Hiroko Kuwata v Polina Leykina | 5-7,1-6 | |
| ITF W15 Antalya | 03/10 07:00 | 25 | [359] Hiroko Kuwata v Nika Radisic [329] | 6-3,3-6,6-1 | |
| ITF W15 Antalya | 03/04 07:00 | 26 | Darya Astakhova v Hiroko Kuwata | 6-3,6-0 | |
| ITF W15 Antalya | 03/02 09:00 | 25 | Melisa Senli v Hiroko Kuwata | 3-6,6-4,5-7 | |
| ITF W15 Antalya | 02/25 07:00 | 26 | Hiroko Kuwata v Nuria Brancaccio | 3-6,0-6 | |
| ITF W15 Antalya | 02/24 10:45 | 25 | [356] Hiroko Kuwata v Ingrid Gamarra Martins [486] | 7-6,6-1 | |
| ITF W25 Yokohama | 03/04 08:55 | 25 | [336] Hiroko Kuwata v Mai Hontama [346] | 1-6,0-6 | |
| ITF W25 Perth | 02/26 02:30 | 25 | [336] Hiroko Kuwata v Abigail Tere-Apisah [431] | 1-6,6-7 | |
| ITF W60 Kyoto | 02/18 02:15 | 25 | [227] Kyoka Okamura v Hiroko Kuwata [339] | 6-1,6-3 | |
| ITF W25 Nonthaburi | 01/29 02:30 | 25 | Jodie Anna Burrage v Hiroko Kuwata | 7-5,6-2 | |
| ITF W25 Hong Kong | 01/01 09:10 | 25 | Hiroko Kuwata v Hong Yi Cody Wong | 3-6,0-6 | |
| ITF W25 Navi Mumbai | 12/18 12:30 | 25 | [337] Hiroko Kuwata v Olga Doroshina [439] | 4-6,2-6 | |
| ITF W25 Bhopal | 11/21 06:35 | 26 | Sowjanya Bavisetti v Hiroko Kuwata | 7-6,6-3 | |
| ITF W25 Bhopal | 11/19 07:00 | 25 | Gozal Ainitdinova v Hiroko Kuwata | 0-6,2-6 | |
| ITF W25 Gwalior | 11/14 04:15 | 26 | [252] Freya Christie v Hiroko Kuwata [323] | 6-2,6-3 | |
| ITF W25 Gwalior | 11/13 07:00 | 25 | [464] Karin Kennel v Hiroko Kuwata [323] | 2-6,4-6 | |
| ITF W100 Shenzhen | 11/05 01:30 | 54 | [223] Xiaodi You v Hiroko Kuwata [325] | 6-2,6-3 | |
| ITF W100 Shenzhen | 11/04 07:10 | 54 | [462] Yidi Yang v Hiroko Kuwata [323] | 4-6,1-6 | |
| ITF W60 Playford | 10/30 23:30 | 26 | [323] Hiroko Kuwata v Lizette Cabrera [154] | 6-3,3-6,4-6 | |
| ITF W60 Playford | 10/29 03:25 | 25 | Annerly Poulos v Hiroko Kuwata | 1-6,4-6 | |
| ITF W60 Bendigo | 10/24 00:55 | 26 | [323] Hiroko Kuwata v Lizette Cabrera [154] | 0-6,1-6 |