| ITF Damen - Navi Mumbai | 12/19 09:30 | 26 | [269] Hiroko Kuwata v Jacqueline Cako [500] | 6-2,3-6,2-6 | |
| ITF Damen - Navi Mumbai | 12/18 10:40 | 25 | Hiroko Kuwata v Jennifer Luikham | 6-3,7-5 | |
| Australian Open - Damen - Wildcard | 11/29 02:00 | 26 | [353] Abigail Tere-Apisah v Hiroko Kuwata [270] | 4-6,6-4,7-5 | |
| ITF Damen - Muzaffarnagar | 11/16 06:00 | 28 | [275] Hiroko Kuwata v Natalija Kostic [360] | 1-6,2-6 | |
| ITF Damen - Muzaffarnagar | 11/15 05:30 | 27 | Hiroko Kuwata v Aldila Sutjiadi | 6-1,6-7,6-4 | |
| ITF Damen - Muzaffarnagar | 11/14 07:40 | 26 | Hiroko Kuwata v Sowjanya Bavisetti | 6-1,6-4 | |
| ITF Damen - Muzaffarnagar | 11/12 06:50 | 25 | [278] Hiroko Kuwata v Albina Khabibulina [288] | 6-2,6-1 | |
| ITF Damen - Shenzhen | 11/04 07:00 | 54 | [487] So-Ra Lee v Hiroko Kuwata [279] | 7-6,6-0 | |
| WTA - Mumbai | 10/30 11:30 | 25 | [165] Irina Khromacheva v Hiroko Kuwata [279] | 6-1,6-4 | |
| WTA - Mumbai | 10/28 07:00 | 164 | Hiroko Kuwata v Mahak Jain | 6-3,6-4 | |
| WTA - Mumbai | 10/27 05:30 | 64 | Hiroko Kuwata v Sowjanya Bavisetti | 6-3,6-1 | |
| ITF Damen - Suzhou | 10/16 02:00 | 54 | [275] Hiroko Kuwata v Fatma Al Nabhani [400] | 0-6,1-6 | |
| ITF Damen - Suzhou | 10/15 02:00 | 54 | [272] Hiroko Kuwata v Qianhui Tang [126] | 6-1,6-3 | |
| ITF Damen - Suzhou | 10/14 02:00 | 54 | [272] Hiroko Kuwata v Sarah Rebecca Sekulic [498] | 6-2,1-6,6-1 | |
| WTA - Tianjin | 10/07 03:00 | 64 | [215] Fang Ying Xun v Hiroko Kuwata [272] | 6-2,3-6,6-4 | |
| WTA - Tianjin | 10/06 05:05 | 45 | [299] Emily Webley-Smith v Hiroko Kuwata [272] | 3-6,3-6 | |
| ITF Damen - Darwin | 09/26 00:30 | 25 | [292] Zoe Hives v Hiroko Kuwata [268] | 6-2,4-6,6-4 | |
| WTA - Guangzhou | 09/15 05:20 | 45 | [282] Hiroko Kuwata v Kai-Lin Zhang [244] | 1-6,2-6 | |
| WTA - Hiroshima | 09/10 04:55 | 54 | [135] Amanda Anisimova v Hiroko Kuwata [287] | 6-3,6-2 | |
| WTA - Hiroshima | 09/09 09:35 | 46 | [287] Hiroko Kuwata v Harriet Dart [172] | 6-4,7-5 | |
| WTA - Hiroshima | 09/09 05:20 | 45 | [287] Hiroko Kuwata v Mai Minokoshi [267] | 6-1,6-7,6-3 | |
| ITF Damen - Tsukuba | 08/23 00:30 | 26 | [286] Hiroko Kuwata v Chihiro Muramatsu [435] | 6-7,2-6 | |
| ITF Damen - Tsukuba | 08/22 02:10 | 25 | [286] Hiroko Kuwata v Karin Kennel [327] | Retired | |
| ITF Damen - Nonthaburi | 08/14 05:30 | 25 | Punnin Kovapitukted v Hiroko Kuwata | 6-3,6-3 | |
| ITF Damen - Nonthaburi | 08/06 06:45 | 25 | Hiroko Kuwata v Hua-Chen Lee | 6-1,0-6,3-6 | |
| WTA - Nanchang | 07/24 09:00 | 25 | [287] Hiroko Kuwata v Fangzhou Liu [139] | 5-7,3-6 | |
| WTA - Nanchang - Qualifikation | 07/22 10:25 | 64 | [279] Mai Minokoshi v Hiroko Kuwata [291] | 2-6,1-6 | |
| WTA - Nanchang - Qualifikation | 07/21 13:10 | 45 | [382] Chantal Skamlova v Hiroko Kuwata [291] | 4-6,0-6 | |
| ITF Damen - Nonthaburi | 07/20 05:45 | 28 | [291] Hiroko Kuwata v Kai-Lin Zhang [283] | 6-1,2-6,5-7 | |
| ITF Damen - Nonthaburi | 07/20 02:00 | 27 | [291] Hiroko Kuwata v Rutuja Bhosale [396] | 6-2,6-1 |