| ITF W60 Bendigo | 10/23 03:20 | 25 | Hiroko Kuwata v Taylah Lawless | 3-6,6-0,7-6 | |
| ITF W100 Suzhou | 10/14 05:50 | 54 | [323] Hiroko Kuwata v Qianhui Tang [183] | 6-2,6-7,9-11 | |
| ITF W25 Toowoomba | 10/10 00:00 | 26 | [319] Hiroko Kuwata v Alison Bai [497] | 2-6,2-6 | |
| ITF W25 Toowoomba | 10/08 00:00 | 25 | [319] Hiroko Kuwata v Abbie Myers [334] | 6-3,6-1 | |
| ITF W25 Brisbane | 10/02 00:00 | 25 | [313] Hiroko Kuwata v Asia Muhammad [267] | 3-6,3-6 | |
| WTA Zhengzhou | 09/07 07:40 | 45 | Hiroko Kuwata v Meiling Wang | 5-7,3-6 | |
| WTA New York | 08/16 15:50 | 44 | [58] Jil Teichmann v Hiroko Kuwata [297] | 6-2,6-1 | |
| ITF W100 Vancouver | 08/13 01:00 | 45 | [297] Hiroko Kuwata v Ashley Kratzer [475] | 5-7,4-6 | |
| ITF W100 Vancouver | 08/12 18:25 | 45 | Hiroko Kuwata v Ana M A Ileana | 6-3,6-0 | |
| WTA Toronto | 08/03 19:50 | 44 | [294] Hiroko Kuwata v Heather Watson [107] | 6-3,4-6,2-6 | |
| WTA Washington | 07/28 18:25 | 164 | [143] Cori Gauff v Hiroko Kuwata [265] | 6-1,6-2 | |
| WTA Washington | 07/27 19:05 | 64 | [346] Maria Sanchez v Hiroko Kuwata [265] | 6-4,5-7,0-6 | |
| WTA Washington | 07/27 19:00 | 64 | Quinn Gleason v Hiroko Kuwata | Cancelled | |
| ITF W80 Granby | 07/24 17:10 | 25 | [301] Elizabeth Halbauer v Hiroko Kuwata [265] | 6-4,6-1 | |
| ITF W60 Berkeley | 07/18 17:00 | 26 | [311] Gail Brodsky v Hiroko Kuwata [271] | 6-4,5-7,7-5 | |
| ITF W60 Berkeley | 07/16 20:45 | 25 | [271] Hiroko Kuwata v Zoe Hives [201] | 6-3,6-4 | |
| ITF W25 Naiman | 06/28 03:30 | 27 | [346] Xiaodi You v Hiroko Kuwata [281] | 6-2,6-1 | |
| ITF W25 Naiman | 06/27 03:25 | 26 | [410] Dan Ni Wang v Hiroko Kuwata [281] | 3-6,1-6 | |
| ITF W25 Naiman | 06/26 07:05 | 25 | [469] Siqi Cao v Hiroko Kuwata [281] | 5-7,2-6 | |
| ITF W25 Jakarta | 06/22 03:00 | 28 | [279] Hiroko Kuwata v Risa Ozaki [275] | 2-6,1-6 | |
| ITF W25 Jakarta | 06/21 02:00 | 27 | [279] Hiroko Kuwata v Risa Ushijima [495] | 6-3,4-6,7-6 | |
| ITF W25 Jakarta | 06/20 03:00 | 26 | [279] Hiroko Kuwata v Erika Sema [446] | 6-4,0-6,6-4 | |
| ITF W25 Jakarta | 06/19 03:20 | 25 | [279] Hiroko Kuwata v Jessy Rompies [164] | 6-2,1-6,7-5 | |
| ITF W60 Kurume | 05/15 02:35 | 25 | [241] Hiroko Kuwata v Ena Shibahara [103] | 7-5,0-6,2-6 | |
| ITF W60 Fukuoka | 05/08 02:55 | 25 | [405] Leonie Kung v Hiroko Kuwata [242] | 6-3,6-2 | |
| ITF W80 Gifu | 04/30 01:00 | 25 | [245] Hiroko Kuwata v Xinyun Han [212] | 3-6,2-6 | |
| WTA Anning | 04/22 04:40 | 25 | [208] Kai-Lin Zhang v Hiroko Kuwata [241] | 7-6,6-3 | |
| WTA Anning | 04/20 02:30 | 45 | Hiroko Kuwata v Maddison Inglis | Cancelled | |
| ITF W80 Dothan | 04/16 18:50 | 25 | [241] Hiroko Kuwata v Deniz Khazaniuk [254] | 3-6,4-6 | |
| WTA Bogota | 04/10 15:30 | 25 | [248] Hiroko Kuwata v Sachia Vickery [148] | 4-6,2-6 |